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Below are the 20 most recent journal entries recorded in
Jack's Blurty:
- Select the Power Meter icon on the taskbar, or select Start > Control Panel > Performance and Maintenance > Power Options > Power Schemes.
- Write down the 3 settings in the Plugged In column and the settings in the Running on Batteries column, so you can reset them after calibration.
- Select the drop-down lists and set all 6 options in both columns to Never.
- Select the OK button.
- Disconnect the notebook from the external power source, but do not turn off the notebook.
- Run the notebook on battery power until the battery pack is fully discharged. The battery light begins to blink when the battery pack has discharged to a low-battery condition. When the battery pack is fully discharged, the power/Standby light turns off and the notebook shuts down.
- Connect the notebook to external power and keep the notebook connected until the battery pack is fully recharged and the battery light turns off.
- Select the Power Meter icon on the taskbar or select Start > Control Panel > Performance and Maintenance > PowerOptions > Power Schemes.
- Reenter the 3 settings you wrote down for the 3 options in the Plugged In column and for the 3 options in the Running on Batteries column.
- Select the OK button.
| Saturday, November 21st, 2009 | |
| 11:22 am | My shopping experience buying Dell inspiron E1505 accessories My shopping experience buying Dell inspiron E1505 accessories
Two month ago, my Dell E1505 battery failed after its 1 year warranty. So I should buy a new one for my coming holiday in Hawaii. Now I will never shopping in Ebay or Amazon. As you know you buy someone there, and no guarantee of the product, also the money refund is impossible. And you can not cancel the order. So I decide use my paypal to buy the Dell inspiron E1505 battery. I searched the Inspiron E1505 Battery in google and found search resault. Then I click some of them, after long time comparison I order a battery from http://www.discount-laptopbattery.com as Its price and 30 days money back and one year quality warranty. After 7days I recevied the battery and below is my battery using experience: I was getting three red flashes and one green flash continuously on the battery light on the lower right side of the lid which according to the manual means defective battery which turned out to be true. I trashed the cheap Latitude D820 Battery (which I noticed was rated at 5200 ma vs the rating of 7200 on the Amazon battery)because I did not save the receipt. I am thrilled with this battery which is giving me about 3 hours before needing a charge, and charges to 100% overnight with no problem. It works well with my 1505. I got 4 + hours out of this per charge. Saw some other people having problem with recognizing the batteries. When I was doing research for purchasing a replacement Latitude D620 Battery, I came across a lot of discussions online about Dell laptop not recognizing batteries. I wonder if that is a common issue with Dell. Luckily, mine has no problem. :) Owned for 5+ months. I am pleased with this Latitude D830 Battery I was glad to find it at a price much lower than Dell was selling it. It was a great buy. Product came right when I needed it and has worked great for me! Good battery life. In all The battery is compatible and works well with the Vostro 1000. Instructions are confusing. I simply installed and followed good battery practices - completely charged the battery, completely drained the battery, then repeated. In the end I saw some New batteries in this online shopping are in 35% price discount as the Merry Christams Day coming. I list them below with the brands: Apple : A1008 Apple A1061 Apple A1148 Apple A1057 Apple iBook G4 12 inch battery Apple iBook G4 14 inch battery Dell: Dell D5318 Dell 75uyf Dell C1295 Dell U4873 Dell Y9943 Dell G5266 Dell PC764 Dell GW240 Dell hd438 Dell KD186 Dell Y9943 Dell RN873 Dell TC030 Dell Inspiron 1721 Battery Inspiron 1521 Battery Dell Inspiron 1526 Battery Dell Latitude D520 Battery Dell Latitude D430 Battery Dell Latitude D810 Battery Dell XPS M140 Battery HP & compaq: Pavilion DV5000 Battery HP Pavilion dv8000 Battery HP HSTNN-IB17 HP HSTNN-LB31 HP BP994A Compaq EVO N400c Battery Compaq EVO N410c Battery Compaq EVO N400 Battery Compaq EVO N410 Battery Compaq Evo N600 Battery Compaq Evo N600C Battery Compaq Evo N620C Battery Compaq Evo N610C Battery IBM: IBM ThinkPad R61 Battery IBM ThinkPad T61 Battery IBM Thinkpad X61 Battery IBM Thinkpad X61S Battery LENOVO 40y6795 Lenovo 40y6797 IBM 40Y7003 IBM 40Y7001 Sony: PCGA-BP2EA VGP-BPS3A VGP-BPS4A Sony VGP-BPS8 VGP-BPS9 VGP-BPS9/B Sony VGP-BPS9A Sony VGP-BPS9A/B In the end I hope you can find the best battery there as me. |
| Wednesday, November 18th, 2009 | |
| 11:58 am | How to Calibrate laptop battery How to Calibrate laptop batteryAfter using for months, the battery get weak and cant fully discharge. Also in this situation the laptop battery's 76% even less in work.Now we need to Calibrate laptop battery. I found a note about recondition laptop battery from Dell laptop battery manufacturers handbook. Surprisingly, it offered some really helpful laptop battery calibration and maintenance tips, which Id like to share with you: Calibrating a Battery PackWhen to Calibrate laptop battery Calibrate Dell 1721 Battery ack under the following conditions: How to Calibrate laptop battery Charging the Battery PackFully charge the Sony VGP-BPS8 battery pack when the notebook is in use. To charge the battery pack: 1. Insert the battery pack into the notebook. 2. Connect the notebook to external power through an AC adapter. (The battery light turns on.) The battery light turns off when the battery pack is fully charged. Discharging the Battery PackDisabling Hibernation Discharging the battery Pack To fully discharge the Sony battery pack: Recharging the Toshiba laptop Battery Pack ?You can use the notebook while the battery pack is recharging, but the battery pack will charge faster if the notebook is turned off. Now you already Calibrate laptop battery The article Via |
| Wednesday, November 11th, 2009 | |
| 5:30 pm | What is solar battery cell? What is solar battery cell? Let me view the introduce from the wikipedia A solar cell or photovoltaic cell is a device that converts solar energy into electricity by the photovoltaic effect. Photovoltaics is the field of technology and research related to the application of solar cells as solar energy. Sometimes the term solar cell is reserved for devices intended specifically to capture energy from sunlight as laptop from Acer BATCL50L , while the term photovoltaic cell is used when the source is unspecified. Assemblies of cells are used to make solar modules, which may in turn be linked in photovoltaic arrays. Simple explanation 1. Photons in sunlight hit the solar panel and are absorbed by semiconducting materials, such as silicon. Solar battery chargers are better for the environment in a few ways. For one, with them, batteries can be recharged, therefore no longer contributing to growing landfills. Also, batteries have potentially harmful metals inside them C we do not want to be simply throwing them out into landfills! Also, if using batteries that can be recharged with a solar battery charger like Dell U4873 DC Aadapter , a person can stop wasting his or her money on the purchase of new batteries. The batteries of cell phones, PDAs, laptops, mp3 players, and more can be charged by solar battery chargers. This means that you do not have to rely on electricity to charge these devices. This is especially good because most electricity is created by non-sustainable, polluting methods. Solar battery chargers are also good because they allow the users to charge devices, even when no power outlets are around. This makes them especially useful when working out in the field, traveling, hiking, and/or during an emergency with Dell Inspiron 1300 Battery . It does not matter if you use a 12 volt solar battery charger, a solar car battery charger, or any other type of charger C the use of any solar battery charger is going to help alleviate waste. By supporting and using solar battery chargers and other sustainable technology, you can help make a difference in todays world. The solar cells positive terminal is connected through the diode to the positive terminal of the 1.2V battery. If the voltage of the solar cell drops below 1.4 volts then with the 0.2V the blocking diode takes there wont be enough potential to charge the 1.2V battery. The purpose of the diode is to disallow current dissipating out from the battery to the solar cell when this low voltage situation occurs in the solar cell. Where can buy solar battery charger? In this store they stock the most major brands and models laptop battery such as : Dell IN SPIRON 5100 Battery Dell Inspiron 6000 Battery Dell Inspiron E1505 Battery Dell Inspiron E1705 Battery All in a secure and convenient platform. Now save your money and time. Usually the solar battery charger are used in camera and camcorder, and placed on the packbag as follow :
But how to use a battery solar charger ? The solar cells positive terminal is connected through the diode to the positive terminal of the 1.2V battery. If the voltage of the solar cell drops below 1.4 volts then with the 0.2V the blocking diode takes there wont be enough potential to charge the 1.2V Dell Latitude D510 Battery . The purpose of the diode is to disallow current dissipating out from the battery to the solar cell when this low voltage situation occurs in the solar cell. The more info in this: solar battery charge Usually Solar battery charger can used in digital camera battery when you take photos in the open air. |
| Tuesday, November 3rd, 2009 | |
| 11:10 am | Use different stand to cooling the laptop Use different stand to cooling the laptopIf your latop's cooling system is working properly, you can still do more. Strange fact is that when you use a laptop with a laptop battery on your laptop, you always ask for laptop overheating. Any soft objects may be blocking the cooling system of the ventilation holes. It also can cause heat to get caught underneath the unit. That is why people would burn their laptop. However, heat buildup can even happen when the laptop sits directly on a desk using a laptop battery. There are different ways to avoid this buildup. A latop stand to keep the bottom of the notebook and your use of the surface of the table some distance intervals in Apple A1057 and Apple A1079,. It created the basic space, the heat can disappear. A type of stand are usually flat, legs are short, thin surface of the type, you can lay in your lap or desk. With an air-inch notebook PC 2, the heat can easily escape, and the airflow through the vents have been completely open. Sometimes, a stand may be caused by an act of special materials such as aluminum heat in Inspiron 1100 Battery,. This device will actively utilize heat out of notebook cooling further assistance. Another approach is to a laptop pad or pad. In this approach, we hope that with the aluminum heat sink, you put the device active thermal management surfaces. This could mean that trap heat insulation pad notebook coming out to protect your lap. It could also mean that, on the positive development of built-in cooling fan out of thick pad. Although you can from any electronics store or retailer to buy dozens of these cool online tools for your Inspiron E1505 Battery, one of the things you might at home, and now you can use. A small strip camping tables can be used as a stand notebook. Therefore, we can use large baking rack (can be used for cooling cookies) to do a stand. One thing to remember is that the heat characteristics of your laptop are always changing, depending on age, environment and The article is from laptop battery blog |
| Friday, October 30th, 2009 | |
| 5:39 pm | How to clean notebook cooling system How to clean notebook cooling system
My main computer is a HP zv5000 battery- it uses the fan and heat sinks to cool the processor. By using these heat sink (copper?), And piping to collect a lot to reduce the cooling capacity of the machine a little dust. If you do not have this particular machine, do not worry. To use some common sense as long as the basic idea is the same. Steps 1Tools and supplies a first step
You need two things: Q technique and a screwdriver you first remove the battery (which may be really good! Step, but thoroughly). Unscrew the cap Ram - in order to easily remove the other cover. You need to remove the plastic cover behind the battery button - to delete any necessary screws and retain traces of where they came from (I have some longer than usual) Fan-step 2 Removing bile duct / month
Carefully remove the plastic shell. It should not be very strong - if very tight, go back and look for missing screws. Now, we have to eliminate some small screws to hold these two lovely task of duct fan / month. I use a magnetic prompted a # 1 screwdriver. It saved my tools, because I can easily drop or lose those screws as laptop battery. Step 3 Clean
Use your Q-corner and wipe away any dust off the fan blades, etc. from the heat sink. I think you could use some compressed air, but I do not have any and can be everything. When you're done, re-assembly, start the notebook with your HP laptop battery. The article from laptop battery blog |
| 5:23 pm | Dell inspiron 1520 battery review Dell inspiron 1520 battery review
The update of Dell's popular inspiron E1505 battery, the Inspiron 1520 has generated a lot of interest in the notebook community. It features a complete design update, the new Intel Santa Rosa platform, and the best graphics card Dell has ever offered in a laptop of this size. The battery Inspiron 1520 is compatible with Dell notebooks including the Inspiron 1520, and replace the Dell battery code : 312-0518, 312-0589, 312-0590, 312-0594, 451-10477, fp282, gk479, nr239. This product comes with 1 year limited warranty. The Dell inspiron 1520 battery Specs :Battery Type: LI-ION Effective laptop battery life under heavy processor load with high performance settings appears to be about three hours with the 9-cell battery. You could probably extend that to four hours or more by disabling wireless, turning down screen brightness, and using less intensive applications. The 9-cell battery does extend about 3/4” from the back of the laptop, but this does not seem especially noticeable given the already larger size of the notebook. Customer Ratings : So every year or so I'm expected to shell out ~$150 for a new inspiron 1520 battery? Mine stopped working shortly after one year. When I plug it in vista says "Battery 0%, NOT CHARGING" now, so I cannot use the laptop unless I am somewhere where I can plug it in. Great! I used to have the 9-cell Dell 1520 battery before it had to be replaced, and the 6-cell doesn't compare. The 9-cell lasted a lot longer without having to be recharged. Overall the battery is fair considering that it is the only one you can buy for the Inspiron 1520. It will last you for about a year, then be ready to buy a new one. The article from : Laptop battery blog |
| Friday, October 23rd, 2009 | |
| 5:19 pm | How to Test a Laptop Charger How to Test a Laptop ChargerLaptop computers are one of the many items that we use that depends on a rechargeable laptop battery to keep it up and running. When your laptop fails to stay charged or to charge at all, it is time to troubleshoot the issue on your own before paying a professional. First test the charger to make sure that it is working properly. You can test your laptop battery charger follow the below steps Be sure that the charger is plugged into a working outlet and getting power. Try to run the laptop from the laptop charger only; if it will not run off the charger alone then the charger is faulty or no longer any good to power the Sony VGP-BPS9. In some cases your laptop will run off the charger, but the charger will not be strong enough to charge the laptop. In this case you have a faulty charger. Try charging your laptop with the laptop powered off. Sometimes the charger will charge the laptop when it is powered completely off, but not when it is on. If it only charges the Toshiba laptop battery when the laptop is off, then you have a faulty charger. Check the Sony VGP-BPS8 for corrosion and/or leakage. If there is a sign of either corrosion or leakage you will need to stop attempting to use the battery pack and replace it immediately. Test your charger with a voltmeter. If it is an AC charger of MacBook Pro 13 inch Battery,, set a voltmeter to 25 VAC. Make the contacts and probes touch, and look for a reading. If there is not a reading on the meter, the charger is not any good. For DC chargers, set a voltmeter to 25 VDC and make the contacts and probes touch. The meter should read at least 1V more than the chargers rating. If it does not, the probes need to be switched. |
| 5:19 pm | 9Cell 80Whr Lithium Dell Latitude D830 Battery 9Cell 80Whr Lithium Dell Latitude D830 BatteryThe Dell Latitude D830 is the successor to the Latitude D820 Battery, a mid sized business notebook with a 15.4" screen and the new Santa Rosa platform. Weighing in at nearly six pounds it tips the scales at the upper end of the thin-and-light category.
Dell Latitude D830 battery specs: Dell Latitude D830 Battery is a Dell normal battery. You can power your laptop with this 9-Cell Lithium-Ion Primary Battery from Dell. With a capacity of up to 85 WHr Latitude D830 battery. This product comes with 1 year warranty. In my opinion it always can work about 1 year and 1 weeks long, just out of its quality warranty. I did a simple test to emulate light use of the laptop under Dell D830 battery power. I turned the screen down to half brightness and let windows media player play music at a relatively low volume. This test was also done under the default Vista setup, prior to the installation of ForceWare drivers. Customer reviews: Review:For the first year, the product will work well. Shortly thereafter, the Dell laptop battery life will not slowly decrease. Immediately you will notice a drastic fall in battery life to around five minutes. For battery performance, this is unacceptable. The warranty is only one year for a reason. Unless you plan to buy batteries annually (or thereabouts) i suggest buying another type of laptop. In all the Latitude D830 battery is "Easy to swap out - works like a champs". The article Via laptop battery blog |
| Tuesday, October 20th, 2009 | |
| 12:04 pm | Improving laptop battery utilization in windows Improving laptop battery utilization in windowsLaptops are getting sophisticated, faster, lighter. The one thing still trailing behind is the battery. Following are things you can do on your laptop to conserve power and extend its Laptop battery life. Power Scheme Mode - - Selecting the right "power scheme" will help to prolong the life of laptop battery. Use the "Low Power Mode" since it will not consume more power than "Max Power Mode" battery. To adjust battery setting: Start > Control Panel > Performance and Maintenance. Click on the "Power Options" icon. The power setting window will appear, make your settings from there on. - - Stop Background Programs - - Pressing the Ctrl + Alt + Delete simultaneously to bring up the Task Manager. Under the first tab (Applications), you can see all the current "open" programs that are running on your laptop, try to close the background from your DLSR Battery Grip. Click the Process tab, next to the Applications. You will see all the real-time processing items on your laptop, kill those that you are not using. All the unused programs but are running will increase the CPU usage, which in turn will cause a lots of wasting power. You can determine which ones to disable by reading the titles on the processing list. - - Screen Brightness - - Control the brightness of the screen according to your environment. Dell laptop battery screen use plenty of power, too. - - Disk Defragment - - Hard disk is a big consumer of electricity. The more efficient the hard disk the less power it use. To minimize read-write head movement, defrag your hard disk regularly. If you use your Sony laptop battery all the time, do it once every 2 or 3 months. All hard disks should be defragged at least once each year, regardless a laptop or desktop. To defrag: Start > Performance and Maintenance. On the list under the title "Pick a task...", first, select "Back up your data". Then come back to the main menu and choose either "Free up space on your hard disk", or "Rearrange items on your hard disk to make programs run faster". The latter is recommended. Follow the steps to complete process. - The Temperature Factor - - Your IBM laptop battery will operate more efficient when temperature is cool. Make sure the vents are not blocked. - - Avoid Multitask - - Try to work on one thing at a time and close unnecessary windows or applications. You might be tempted to work and finish many projects at once, but this will also drain your Apple laptop battery faster, and you may run out of battery before you complete your work. You are also using power when typing, using mouse or touch pad - they are all electric signals, same with the plugged USB ports. - - Disable Wireless Signal - - WiFi sip a lot of juice from the battery. Turn off the wireless signal if you are not using, you will save up to 30 minutes of power. - - Storing Battery - - Charged battery unused for a long time would deteriorate it. Keeping a spare Dell laptop battery is not recommended because lithium-ion batteries need to be "exercised". Only buy new battery when you know that your current one (in use) is about to expire. Once charged, a battery should slowly be used. Frequent charge and drain will shorten laptop battery lifespan. - - Hibernate, not Stand-by - - If you want to start up your laptop faster, use Hibernate mode as that would save the last state of your system, it will then shut down the entire power to the laptop. Stand-by only lowers power consumption as safty code is Camera battery. The news Via laptop battery blog |
| Friday, October 16th, 2009 | |
| 12:29 pm | Battery4.us: Great battery online shop in US Battery4.us: Great battery online shop in USLast Friday, my dell 1520 battery died after used for 1 year (just 15days after its dell quality warranty). So I do not think I should pay 150$ for a New dell original 1 year warranty battery. I phoned to dell customer service that if they can recall the battery and repair the battery for me, but they say it will cost me 60-70 $. Oh I think it is worse than buying a new battery. But the 150$ is too expensive. So I tried to search Dell 1520 battery replacement US in Google, and then I found a online shop specially for US www.battery4.us, I easily search the dell 1520 battery there, and after view its policy and shipping site, I found that it is a international battery factory and battery online shop, It also has its partner in German UK and CA. It owned a battery factory in Hongkong and produce the battery pack for many Electronic Company. Then I sent a email to its customer service about the shipping time price and discount. They replied me after 5 minutes and reduce my battery shipping fee as the light battery weight and they use usps to ship the packpage. So I order the New Dell 1520 battery (1 year warranty and 30 days money back) just $68.71 and I received it 7days later, the new battery pack can last 3 hours. In all it is a satisfactory shopping in www.batetry4.us . The online shop is a battery supermarket for la ptop battery, camera battery and battery grip. And they store most popular laptop battery as Acer, Apple, Dell, Compaq, HP, IBM, Sony Toshiba and so on. Their battery factory supply the all the newest laptop battery, camera battery and battery Grip, then let me list the popular battery model and codes for you, then you can find the suitable battery there. Apple Laptop Battery Dell Laptop battery : HP & Compaq battery IBM & Lenovo Sony Laptop battery Toshiba Laptop battery Also they supply the newest DSLR Camera battery as (Canon Casio fujifilm Kodak olympus Panasonic and sony) and batetry Grip for US. They Also has Price avow, I copy it from its site : Price : Hopes that help you. |
| Wednesday, October 14th, 2009 | |
| 6:49 pm | Lithium-ion battery industry : new energy vehicles Lithium-ion battery industry : new energy vehiclesRecently, Toyota Tsusho Corporation (hereinafter referred to Toyota Tsusho) and China CITIC Guoan Information Industry Company Limited (hereinafter referred to as CITIC Guoan) signed a letter of intent , the two sides will cooperate in production and sale of battery grade lithium 40Y6797 carbonate and downstream products. Toyota Tsusho is the Toyota Group in automotive related business trading company; CITIC Guoan is a subsidiary of CITIC Group's listed companies, now has the West taijnar Qinghai Salt Lake, an area of 570 square kilometers, is a liquid lithium-based mining large deposits of lithium carbonate in resources highlighted Laptop battery. This is a new signal that the competition has been a new energy vehicles advance to the upstream resources. Toyota's success and vigorously promoted in recent years, hybrid cars are inseparable, but the auto industry's future seems to depend on pure electric car market development. The current battery technology is not yet mature, and pure electric vehicles matching is not perfect, the market is not yet the same as the hybrid car is a vast market. To avoid risks, the world's major automakers are seeking partners to develop new solutions. Electric and hybrid cars are the hot new energy vehicle development, most auto makers have considered the use of lithium batteries as a power battery electric vehicles. Lithium-ion batteries due to a price and capacity advantages, is considered following the Ni-MH Lifebook T4220 battery power battery after the development direction of the world's major manufacturers are all eager. Earlier this year the German government took out 500 million euros to finance research and development of electric vehicles. In which lithium-ion battery research and development funding cost of 59 million euros. Enacted in 2007, "high-tech strategy", the German government has been the key technology of electric vehicles - lithium-ion batteries as tackling the project. Toyota had previously carried out in cooperation with Japan's Sanyo Electric lithium-ion battery research and development, Honda, GM and other companies with the Panasonic, A123 and other battery vendors, China's BYD Auto is also self-developed lithium-ion batteries, lithium-ion Dell laptop battery industry has been become the new competition in a hot area of energy vehicles. The development of electric vehicles, battery technology is the core power technology of 40Y7001 40Y7003, but also determines the cost. The current of pure electric vehicles, battery-vehicle prices accounted for about 50% of the cost. According to industry optimistic forecasts that in the industrialization of pure electric vehicles, the battery-vehicle prices are still to be accounted for more than 20%, which is for the vehicle factory, is a very large, the profits pie. Although the two sides reached a tentative co-operation only, but this shows that Toyota in the development of pure electric vehicles, not only wants to spread the risk of business cooperation with the upstream, more interested in sharing the upper reaches of the Sony PCGA-BP71 battery market profits. And this path, it may be the future of the automotive industry trends. The development of electric vehicles, involving lithium VGP-BPS2C resources, lithium-ion batteries, electric motors and a series of product integration, as a pure electric vehicle market, the further development of possible future mergers and acquisitions Automotive Sony PCGA-BP2NX battery manufacturers trend. The cooperation with CITIC Guoan, for Toyota, the ability to obtain a stable and sustainable sources of supply. Once the breakthrough in battery technology, lithium Toshiba PA3399U-1BRS resources will be more scarce resources. Access to reliable high-quality lithium resources will give Toyota a competitive edge in the future edge The article is from battery talk |
| Saturday, October 10th, 2009 | |
| 12:30 pm | Carbon nanotubes bring a new dawn for solar cells Carbon nanotubes bring a new dawn for solar cellsU.S. scientists have used carbon nanotubes to produce new type of solar cells to absorb the same amount of photons can produce more light under the current, its efficiency will be superior to the current PV Laptop battery cells. They prove that carbon nanotubes made of light emitting diode (photodiode) absorbs a photon can generate multiple electron-hole pairs (electron-holepair), unlike the conventional LED can only produce one group. Cornell University NathanGabor involved in the study, said the technology, if applied to large-size solar cell conversion efficiency is bound to break away from restrictions. The current PV Latitude D610 battery cells absorb a photon of each produce at most a group of electron-hole pairs, however, Cornell University research team led by PaulMcEuen using single-walled carbon nanotubes made of photovoltaic Latitude D620 battery cells, breaking this restriction. This device consists of approximately 3 ~ 4μm, ranging from 1.5 ~ 3.6nm diameter carbon control into the carbon tubes are placed on an insulating substrate between the electrodes, the electrode bias is applied, the electrodes of the carbon nanotubes to form a pn junction light emitting diode. The researchers irradiated by laser light emitting diode, while the carbon tube is applied to reverse bias Acer Aspire One battery , and to monitor the photocurrent. The results at temperatures lower than 90K and the reverse bias current is applied and when the child was observed more heavy generation. As this bias increases, the current was step-like increase Aspire 3000 battery. If the sub-raising incident light energy, the current ladder will be widened. Usually a photon can only be an electronic excitation up a sub-band, Cornell Panel finds that the generation of multiple electron-hole pairs is due to photons to provide carbon nanotube electronics a lot more energ of XPS m140 BATTERY, making a second or more of the electronic energy band is also diode can move and inspire other electronics, and when the second band of the carrier to obtain enough energy to stimulate additional electronic time, the resulting change in current occurs ladder. Gabor pointed out that the second energy band implies the presence of threshold used up almost all of the above-mentioned process of the remaining photon energy, coupled with the Pavilion DV1000 battery energy of the electric field, along with a single electron is used to convert multi-electron, which for the achievement of high performance solar cells The ultimate goal is important, because the latter is almost 100 percent in the pursuit of the light used to stimulate electron-hole pairs. The article is from battery blog |
| Tuesday, October 6th, 2009 | |
| 4:48 pm | The high Conversion "n-type" Solar Cell The high Conversion "n-type" Solar CellFraunhofer Institute's "n-type" single crystal silicon solar cell efficiency of 23.4% Germany's Fraunhofer Institute for Solar Energy Systems Fraunhofer ISE) announced today that it developed with n-type semiconductor as the Laptop battery, and then the formation of thinner at its top p-type semiconductor layer of monocrystalline silicon solar cell, its energy conversion efficiency of reached 23.4%. Solar cell area of 2cm square for Lifebook T4220 battery. Fraunhofer ISE which battery production is possible, and to participate in Sanyo Electric and other companies to promote the improvement of the efficiency of crystalline silicon solar cell class competition. To n-type semiconductor as the floor structure of crystalline silicon solar cell type to p-type semiconductor with the structure for the bottom than the former on a greater resistance to impurities Fujitsu fpcbp155, in theory, easier to improve the energy conversion efficiency. However, after a number of crystalline silicon solar cell almost all the categories used to p-type semiconductor for the floor structure. This is because the thicker p-type semiconductor able to form a very thin n-type semiconductor layer in XPS m140 BATTERY . N-type semiconductor substrate using one of the reasons is the encapsulation layer materials. Fraunhofer ISE said that as a packaging material, the ordinary SiO2 and SiNx for p-type semiconductor package can not be fully out its functions. Therefore, many type crystalline silicon solar cell of Inspiron 640m battery to adopt a p-type semiconductor as the floor, and then in his top form n-type semiconductor thin film stack structure of SiO2 and SiNx layers. This, Fraunhofer ISE selection of alumina as the sunlight on the surface layer of packaging material as XPS M1210 battery. Thus solve the encapsulation problem, but also to adopt a n-type semiconductor as the floor structure. Crystalline silicon cell types are too could the highest conversion efficiency of 25% (in October 2008 to re-calculate the original value of 24.7% obtained after the revised value) with Dell inspiron 1526 battery, from the University of New South Wales (UNSW), Professor madingrin (Martin Green) led the research team developed an autonomous structural unit obtained. However, the structural unit was considered very difficult to mass production. |
| 4:44 pm | The high Conversion "n-type" Solar Cell The high Conversion "n-type" Solar CellFraunhofer Institute's "n-type" single crystal silicon solar cell efficiency of 23.4% Germany's Fraunhofer Institute for Solar Energy Systems Fraunhofer ISE) announced today that it developed with n-type semiconductor as the Laptop battery, and then the formation of thinner at its top p-type semiconductor layer of monocrystalline silicon solar cell, its energy conversion efficiency of reached 23.4%. Solar cell area of 2cm square for Lifebook T4220 battery. Fraunhofer ISE which battery production is possible, and to participate in Sanyo Electric and other companies to promote the improvement of the efficiency of crystalline silicon solar cell class competition. To n-type semiconductor as the floor structure of crystalline silicon solar cell type to p-type semiconductor with the structure for the bottom than the former on a greater resistance to impurities Fujitsu fpcbp155, in theory, easier to improve the energy conversion efficiency. However, after a number of crystalline silicon solar cell almost all the categories used to p-type semiconductor for the floor structure. This is because the thicker p-type semiconductor able to form a very thin n-type semiconductor layer in XPS m140 BATTERY . N-type semiconductor substrate using one of the reasons is the encapsulation layer materials. Fraunhofer ISE said that as a packaging material, the ordinary SiO2 and SiNx for p-type semiconductor package can not be fully out its functions. Therefore, many type crystalline silicon solar cell of Inspiron 640m battery to adopt a p-type semiconductor as the floor, and then in his top form n-type semiconductor thin film stack structure of SiO2 and SiNx layers. This, Fraunhofer ISE selection of alumina as the sunlight on the surface layer of packaging material as XPS M1210 battery. Thus solve the encapsulation problem, but also to adopt a n-type semiconductor as the floor structure. Crystalline silicon cell types are too could the highest conversion efficiency of 25% (in October 2008 to re-calculate the original value of 24.7% obtained after the revised value) with Dell inspiron 1526 battery, from the University of New South Wales (UNSW), Professor madingrin (Martin Green) led the research team developed an autonomous structural unit obtained. However, the structural unit was considered very difficult to mass production. |
| Sunday, October 4th, 2009 | |
| 4:08 pm | Principles of the battery Principles of the batteryIn the chemical cell, chemical energy directly into electricity through the laptop battery is carried out within the spontaneous oxidation, reduction and other chemical reactions the result of the reaction were carried out in two electrodes. Negative active material from the more negative potential and a stable reducing agent in the electrolyte composition, such as zinc, cadmium, lead active metals and hydrogen or hydrocarbons. Positive active material from a more positive potential in the electrolyte composition of a stable oxidizing agent, such as manganese dioxide, lead dioxide, Toshiba laptop battery, nickel oxide and other metal oxides, oxygen or air, halogens and their salts, oxygen-containing acid and its salts etc.. Electrolyte is a good ionic conductivity of the material, such as acids, alkali, salt solution, organic or inorganic non-aqueous solutions, molten salts or solid electrolytes. When the external circuit disconnected, although there potential difference between the two poles (open circuit voltage), but there is no current, stored in the Sony VGP-BPS9 batteries do not convert chemical energy into electrical energy. When the external circuit is closed, the two electrodes under the effect of potential difference that there is current flowing through the external circuit. The same time, the battery inside the electrolyte does not exist due to free electrons, charge transfer must be accompanied by two poles active material and Pavilion DV1000 battery electrolyte interface, the oxidation or reduction reactions, as well as reactants and reaction products of mass transfer. Charge transfer in the electrolyte but also by the migration of ions to complete. Thus, within the normal Toshiba PA3451U-1BRS battery charge transfer and mass transfer process is to ensure that the necessary conditions for the normal output of electricity. When charging, the battery inside the transmission power and the direction of mass transfer and discharge exactly the opposite; electrode reaction must be reversible, in order to ensure the opposite direction of mass transfer and mass of the normal electrical Sony PCGA-BP2NX processes. Therefore, the electrode reaction reversible constitutes a necessary condition for batteries. Reaction for the Gibbs free energy (coke); F is Faraday's constant = 96500 base = 26.8 ampere-hour; n the equivalent number for the Latitude D600 battery cell reaction. This is the reaction of the battery and battery electromotive force between the basic thermodynamic relations, but also calculation of cell energy conversion efficiency of the basic thermodynamic equation. In fact, when the current flows through the electrodes, the electrode potential must deviate from the thermodynamic equilibrium of the electrode potential, a phenomenon known as polarization. Current density (unit electrode area adopted by the current), the greater the polarization more serious. Polarization phenomenon is caused by the battery energy loss of the important reasons. Polarization for three reasons: ① from the IBM Thinkpad t60 battery cells caused by the various parts of the polarization resistance is called Ohm polarization; ② from the electrode - electrolyte interface layer caused by charge transfer blocked the process of polarization is called activation polarization; ③ from the electrode - electrolyte interface layer caused by slow mass transfer of polarization is called concentration polarization. Reduce the polarization method is to increase the electrode reaction area, reducing the current density, increasing reaction temperature and to improve the catalytic activity of the electrode surface. The article Via Battery Talk |
| Wednesday, September 30th, 2009 | |
| 4:33 pm | The secrets of battery runtime The secrets of battery runtimeIs the runtime of a portable device directly related to the size of the laptop battery? The answer should be 'yes' but in reality, the runtime is governed by other attributes than the specified capacity alone. This paper examines the cause of unexpected downtime and short battery service life. We look at four renegades - declining capacity, increasing internal resistance, elevated self-discharge and premature voltage cut-off on discharge. We evaluate how these regenerative deficiencies affect nickel, lead and lithium-based batteries. The energy storage of a battery can be divided into three imaginary sections consisting of: available energy, the empty zone that can be refilled, and the unusable part (rock content) that increases with aging. Figure 1 illustrates these three sections. Figure 1: Dell laptop Battery charge capacity.Three imaginary sections of a battery consisting of available energy, empty zone and rock content. In nickel-based batteries, the so-called rock content is present in form of crystalline formation, also known as memory. Restoration is possible with a full discharge to one volt per cell. However, if no service is done for four months and longer, a full repair becomes increasingly more difficult the longer service is withheld. To prevent memory, nickel-based batteries should be deep-cycled once every one or two months. Nickel-cadmium and nickel-metal-hydride batteries are used for two-way radios, medical instruments and power tools. Performance degradation of the lead-acid battery is caused by sulfation and grid corrosion. Sulfation is a thin layer that forms on the negative cell plate if the battery is being denied a fully saturated charge. Sulfation can, in part, be corrected with cycling and/or topping charge. The Battery grid corrosion, which occurs on the positive plate, is caused by over-charge. Lead-acid batteries are used for larger portable devices and wheeled applications. Lithium-ion Toshiba laptop batteries lose capacity through cell oxidation, a process that occurs naturally during use and aging. The typical life span of lithium-ion is 2-3 years under normal use. Cool storage a 40% charge minimizes aging. An aged lithium-ion cannot be restored with cycling. Lithium-ion is found in cell phones and mobile computing. Increasing internal Resistance A battery with high internal resistance may still perform adequately on a low current appliance such as a flashlight, portable CD player or wall clock. Digital Camera battery equipment, on the other hand, draw heavy current bursts. Figure 2 simulates low and high internal resistance with a free-flowing and restricted tap. Figure 2: Effects of internal battery resistance.A battery with low internal resistance is able to provide high current on demand. With elevated resistance, the Apple A1045 battery voltage collapses and the equipment cuts off. Nickel-cadmium offers very low internal resistance and delivers high current on demand Apple A1078 . In comparison, nickel-metal-hydride starts with a slightly higher resistance and the readings increase rapidly after 300 to 400 cycles. Lithium-ion has a slightly higher internal resistance than nickel-based batteries. The cobalt system tends to increase the internal resistance as part of aging whereas the manganese (spinel) maintains the resistance throughout Apple laptop battery life but loses capacity through chemical reaction. Cobalt and manganese are used for the positive electrodes. High internal resistance will eventually render the battery useless. The energy may still be present but can no longer be delivered. This condition is permanent and cannot be reversed with cycling. Cool storage at a partial state-of-charged (40%) retards the aging process. The internal resistance of Lead-acid batteries is very low. The A1175 A1185 battery responds well to short current bursts but has difficulty providing a high, sustained load. Over time, the internal resistance increases through sulfation and grid corrosion. Elevated self-discharge All HP laptop batteries suffer from self-discharge, of which nickel-based batteries are among the highest. The loss is asymptotical, meaning that the self-discharge is highest right after charge and then levels off. nickel-based batteries lose 10% to 15% of their capacity in the first 24 hours after charge, then 10% to 15% per month afterwards. One of the best batteries in terms of self-discharge is Lead-acid; it only self-discharges 5% per month. Unfortunately, this chemistry has the lowest energy density and is ill suited for portable applications. Figure 3: Effects of high load impedance.Self-discharge increases with age, high cycle count and elevated temperature. Discard a battery if the self-discharge reaches 30% in 24 hours. The self-discharge on all battery chemistries increase at higher temperatures. Typically, the rate doubles with every 10°C (18°F). A noticeable energy loss occurs if a battery is left in a hot vehicle. Aging and usage also affect self-discharge. nickel-metal-hydride is good for 300-400 cycles, whereas nickel-cadmium may last over 1000 cycles before high self-discharge affects the performance. An older nickel-based Sony laptop battery may lose its energy during the day through self-discharge rather than actual use. Discard a battery if the self-discharge reaches 30% in 24 hours. Nothing can be done to reverse this deficiency. Factors that accelerate self-discharge are damaged separators induced by crystalline formation, allowing the packs to cook while charging, and high cycle count, which promotes swelling in the cell. Lead and lithium-based batteries do not increase the self-discharge with use in the same manner as their nickel-based cousins do. Figure 4: Illustration of equipment with high cut-off voltage.Some portable devices do not utilize all available battery power and leave precious energy behind. High internal battery resistance and the equipment itself are not the only cause of premature voltage cut-off - warm temperature also plays a role by lowering the battery voltage. Other reasons are shorted cells in a multi-cell battery pack and memory on nickel-based batteries. The article is from http://www.batteryuniversity.com/ |
| Wednesday, September 23rd, 2009 | |
| 10:24 am | The New hair battery technology The New hair battery technologyResearchers at the Universties of Miami, Tokyo and Tohoku have discovered a new form of laptop battery. Charged by the application of a very strong magnetic field, the Magnetic Tunnel Junction (MTJ) contains a set of nano-magnets - zones some 5 nanometers across in a zinc-gallium-arsenic-mangnesium matrix - which absorb energy and then release it over time. Although the effect had been predicted, the size and duration of the result was not "We had anticipated the effect, but the device produced a voltage over a hundred times too big and for tens of minutes Apple A1148 , rather than for milliseconds as we had expected," said one of the researchers. "That this was counterintuitive is what lead to our theoretical understanding of what was really going on."
The MJT is the top part of the illustration, and is roughly the same diameter as a human hair compare to Toshiba laptop battery. Beneath that is a magnified image of the central part of the device: the white spots are atoms, and the circles contain the nano-magnets that store the power. Picture: Phan Nam Hai/University of Miami I've yet to dig out the paper in Nature to find out how far this is from being useful as a power source - as the current device is a few hundred micrometers across with IBM laptop battery, it's not going to be storing megawatts. But it's the sort of thing that could be created in vast arrays, like any semiconductor device, and if they're getting to the bottom of the underlying physics then the same effect could be used in many different configurations of Thinkpad Z60T battery. What may be much more interesting than just power storage is the fact, mentioned almost in passing in the press release, that the current delivered by the MTJ is spin-polarised; the electrons are predominately spinning in one direction. That's hot news for spintronics, which we've covered previously and which, together with graphene, has the most exciting potential for fundamentally new computational devices. Spin logic could work much faster at much lower power than even today's finest electronics Dell laptop battery, because it doesn't rely on currents flowing and the consequent unavoidable loss. And, as the researchers say, if this discovery leads to new insights into basic magnetic theory, there are almost no limits to how profoundly it could affect modern life with these Thinkpad R40 battery . Which is a bit over the top - just not that much. |
| 10:24 am | The New hair battery technology The New hair battery technologyResearchers at the Universties of Miami, Tokyo and Tohoku have discovered a new form of laptop battery. Charged by the application of a very strong magnetic field, the Magnetic Tunnel Junction (MTJ) contains a set of nano-magnets - zones some 5 nanometers across in a zinc-gallium-arsenic-mangnesium matrix - which absorb energy and then release it over time. Although the effect had been predicted, the size and duration of the result was not "We had anticipated the effect, but the device produced a voltage over a hundred times too big and for tens of minutes Apple A1148 , rather than for milliseconds as we had expected," said one of the researchers. "That this was counterintuitive is what lead to our theoretical understanding of what was really going on."
The MJT is the top part of the illustration, and is roughly the same diameter as a human hair compare to Toshiba laptop battery. Beneath that is a magnified image of the central part of the device: the white spots are atoms, and the circles contain the nano-magnets that store the power. Picture: Phan Nam Hai/University of Miami I've yet to dig out the paper in Nature to find out how far this is from being useful as a power source - as the current device is a few hundred micrometers across with IBM laptop battery, it's not going to be storing megawatts. But it's the sort of thing that could be created in vast arrays, like any semiconductor device, and if they're getting to the bottom of the underlying physics then the same effect could be used in many different configurations of Thinkpad Z60T battery. What may be much more interesting than just power storage is the fact, mentioned almost in passing in the press release, that the current delivered by the MTJ is spin-polarised; the electrons are predominately spinning in one direction. That's hot news for spintronics, which we've covered previously and which, together with graphene, has the most exciting potential for fundamentally new computational devices. Spin logic could work much faster at much lower power than even today's finest electronics Dell laptop battery, because it doesn't rely on currents flowing and the consequent unavoidable loss. And, as the researchers say, if this discovery leads to new insights into basic magnetic theory, there are almost no limits to how profoundly it could affect modern life with these Thinkpad R40 battery . Which is a bit over the top - just not that much. |
| Monday, September 21st, 2009 | |
| 6:38 pm | How to choose a charger How to choose a chargerMany people when buying rechargeable batteries, a look at the capacity, or look the brand. However, to know that buying a good performance of the rechargeable laptop battery is also a great school of learning. Batteries can be divided into two categories, one category is "one cell", and the other is "secondary battery." "One cell" As the name suggests is the use of no value once the battery, "secondary dell laptop battery" simply means that rechargeable batteries, can charge for further use. Lithium batteries can be understood as digital products, special batteries, its shape according to the design of digital products can be arbitrarily changed, lithium batteries almost no memory effect, and use a long time. However, lithium batteries (Sony PCGA-BP71 Sony PCGA-BP1N) are expensive, and between the different specifications of the lithium batteries can not be generic. In the rechargeable Toshiba PA3451U-1BRS batteries are printed on the surface of a similar mark, indicating this product is what type of battery. NI-MH says that nickel-metal hydride batteries, is actually very simple, NI is the chemical letters Nickel, NH, said hydrogen. By the same token NI-Cd is expressed as a nickel-cadmium batteries. Battery rated capacity refers to a certain discharge conditions, the Sony VGP-BPS9 battery discharge to the release of electricity cut-off voltage. No. 7 currently on the market capacity of the battery 400mAh-900 mAh mostly between the 5 batteries from 1000 mAh-2500 mAh range. Of course, in a sense, the capacity is of course the bigger the better, because of large capacity means longer battery life. It is also noteworthy that, among the different capacities of batteries do not mix. For example, three 2300 mAh of the Dell inspiron 1526 battery batteries 1300 mAh battery, which emit an effective current of only 1300 mAh, from the physics can be very simple to understand this point. The rechargeable Inspiron 640m battery are generally marked on the standard charge time and quick charge time, charging the speed with charger related. Slow charge generally use constant current charging mode, and the battery is full and automatically converted to trickle charge state. Has the advantage of slow charge circuit design is simple and easy to implement, prices are also lower; As a result of low current constant current charging, effectively reducing the pavilion ZV6000 battery charging process in the heat, to extend the battery life is very good. Drawback is the charging time is too long, especially in the case of large quantity of batteries a bit powerless. Fast charge is generally using a large pulse current charging Pavilion DV2000 battery , but because of high current battery charging process will generate polarized responses, leading to the rapid increase in battery temperature, full power on after resume a likely explosion and combustion, so fast charge also uses a special chip to control the charging process of Dell Inspiron e1505 Battery, automatically stop charging once filled so that the whole process of charging has become safe and efficient. In the end is a standard charger or optional fast charger that can be purchased according to the needs of users. Here to remind consumers to purchase brand-name products charger must be, and if I get quick charger fot yoyr Dell Inspiron 6000 Battery,, be sure to understand whether the automatic power-off function. The article Via batteryblog |
| Wednesday, September 16th, 2009 | |
| 12:28 pm | How to use and conservation of GPS built-in lithium battery How to use and conservation of GPS built-in lithium battery1. Do not deliberately GPS built-in lithium Laptop battery that will put clean in the charge, when the system prompted a time of low power can be charged, should be put before the injury for the lithium battery is not small. 2. To use the random charging accessories for charging, do not use third-party charger. 3. Most of the built-in lithium-car GPS, so do not be demolished or converted the laptop battery without permission. 4, as far as possible to avoid the body exposed to extremely high or extremely low temperature environment, but also to avoid the erosion of the liquid. In fact, Car GPS built-in lithium Pavilion DV2000 battery is not your imagination so fragile, so long as a little heart, the conservation and reasonable, built-in lithium battery life can be maintained at three years and change bad habits, we can give built-in lithium battery with the greatest protection, let give full play to their power as a car navigation system to provide a stable life to protect. At present, the market most of the mainstream car GPS with built-in lithium battery power supply. Lithium-ion Toshiba PA3107U-1BRS But lithium-ion Toshiba PA3399U-2BRS battery is not perfect, the use of lithium more stringent environmental requirements, and the high cost of batteries and the discharge current is its relatively small defects can not be ignored. Then, as the use of large lithium-ion batteries: automotive GPS products, the use of lithium batteries that power supply should be careful when there. In daily for VGP-BPS2C battery conservation, and many casual habits could have built-in lithium-vehicle navigation systems cause fatal injuries. So we specialize in power from a vehicle built-in lithium use and conservation aspects of the daily summary of some experiences to share. Many users use the GPS when the car, regardless of the body are used to power the adequacy of the charging of plug in vehicles to use, such use would cause harm lithium batteries in serious even built-in lithium PA3465U-1BRS The right to use is: should wait to run out of electricity, or GPS navigation instrument in itself to give low power to remind the car after the connection charge for charging to use. If your car GPS Car Charger to use the long-term connection, it is best to conduct a full-month charge and discharge, which is run out of Toshiba PA3399U-1BRS power to conduct a full volume of charge, so that the greatest degree of protection can extend the life of lithium batteries. The user has just purchased for GPS products, its appearance in general only 50% of capacity or less. When you first use the Apple laptop battery in I need to put power to make, and then charging an external battery charger, and charge for the first time the best more than 15 hours, the second and the third meeting such as the battery runs out after use, the charging time is best but also more than 12 hours, but it should be noted that charge no more than 24 hours, otherwise the battery will produce a surplus of energy resulting in the internal decomposition of the electrolyte inside the battery voltage increase caused by natural or explosions. In addition, for long-term non-use of the GPS, the Li-ion Sony PCGA-BP2NX PCGA-BP71 will automatically discharge the next best to the battery is full before use after use, so as to avoid over-discharge the battery caused damage. The use of GPS in the process, try to avoid exposure to the body or in a humid environment, the use of harsh external environment would cause instability in Li-ion battery discharge. The article Via battery blog |
