Change the battery cell is not a good choice
Change the battery cell is not a good choice
When we want to repair our laptop battery, we often see some laptop battery maintenance introduce the change battery cell service. You just spend 30$ or less to repair original laptop battery by change the battery cell. As buy a new original laptop battery may cost you 200 $ or more. It looks great but it is really worth?
It has some risk when changing the original Dell Inspiron 1520 Battery cell. The batteries can be changed, it is very simple because the battery inside is just some series and parallel battery packs. But the corresponding protection board can not be replaced.Most of the protection boards are added secret infomation the time in the factory , only can be debugged in Dell laptop battery production plant.
Battery Protection Board are based on the corresponding matching Dell Inspiron 1521 Battery packs to debug a good, if the random replacement of batteries while protecting the panel without doing the appropriate debugging shield of protection features may fail, so the risk is relatively large.
Another point, if a single change batteries, then is a bad, because the internal resistance of the old and new Dell Inspiron 1721 Battery do not like the efficiency of the battery pack will drop a lot, but for the life of the new batteries also have a significant impact, and we manufacturers to replace the batteries are replaced all the batteries.
Generally laptop battery life is 1-2 years, so the Dell Inspiron 1720 Battery in the warranty period, warranty or replacement directly to vendors, it is better to buy a new battery replacement when out of the warranty period. After all, the cell-change battery may damage your expensive laptop.
The article Via laptop battery blog
Filed under Battery maintain | Tags: battery cell, change | Comment (0)Dell battery User Guide
Dell battery User Guide
Battery Performance
NOTE: For information about the Dell warranty for your computer, see the Product Information Guide or separate paper warranty document that shipped with your computer.
For optimal computer performance and to help preserve BIOS settings, operate your Dell portable computer with the main battery installed at all times. One battery is supplied as standard equipment in the battery bay.
NOTE: Because the Dell 6400 battery may not be fully charged, use the AC adapter to connect your new computer to an electrical outlet the first time you use the computer. For best results, operate the computer with the AC adapter until the battery is fully charged. To view battery charge status, click the Start button, click Control Panel, double-click Power Options, and then click the Power Meter tab.
Battery operating time varies depending on operating conditions.
NOTE: Battery operating time (the time the inspiron 1720 battery can hold a charge) decreases over time. Depending on how often the battery is used and the conditions under which it is used, you may need to purchase a new battery during the life of your computer.
Operating time is significantly reduced when you perform operations including, but not limited to, the following:
- Using optical drives
- Using wireless communications devices, PC Cards, or USB devices
- Using high-brightness display settings, 3D screen savers, or other power-intensive programs such as 3D games
- Running the computer in maximum performance mode.
NOTE: It is recommended that you connect your computer to an electrical outlet when writing to a CD or DVD.
You can check the Dell D620 battery charge (see Checking the Battery Charge) before you insert the battery into the computer. You can also set power management options to alert you when the battery charge is low (see Configuring Power Management Settings).
CAUTION: Using an incompatible battery may increase the risk of fire or explosion. Replace the Dell D630 battery only with a compatible battery purchased from Dell. The battery is designed to work with your Dell computer. Do not use a battery from other computers with your computer.
CAUTION: Do not dispose of batteries with household waste. When your battery no longer holds a charge, call your local waste disposal or environmental agency for advice on disposing of a lithium-ion battery. See “Battery Disposal” in the Product Information Guide.
CAUTION: Misuse of the Dell D620 battery may increase the risk of fire or chemical burn. Do not puncture, incinerate, disassemble, or expose the battery to temperatures above 65 (149). Keep the battery away from children. Handle damaged or leaking batteries with extreme care. Damaged batteries may leak and cause personal injury or equipment damage.
Checking the Battery Charge
The Dell QuickSet Battery Meter, the Microsoft Windows Power Meter window and icon, the XPS m140 battery charge gauge, and the low-battery warning provide information on the battery charge.
Dell QuickSet Battery Meter
If Dell QuickSet is installed, press
to display the QuickSet Battery Meter. The inspiron e1705 Battery Meter displays status, battery health, charge level, and charge completion time for the battery in your computer.
Microsoft Windows Power Meter
The Windows Power Meter indicates the remaining 40D battery grip charge. To check the Power Meter, double-click the icon on the taskbar.
If the computer is connected to an electrical outlet, a icon appears.
Charge Gauge
Before you insert a DV1000 battery, press the status button on the battery charge gauge to illuminate the charge-level lights. Each light represents approximately 20 percent of the total battery charge. For example, if the battery has 80 percent of its charge remaining, four of the lights are on. If no lights appear, the battery has no charge.
Health Gauge
The battery operating time is largely determined by the number of times it is charged. After hundreds of charge and discharge cycles, DV2000 battery lose some charge capacity, or battery health. To check the battery health, press and hold the status button on the battery charge gauge for at least 3 seconds. If no lights appear, the battery is in good condition, and more than 80 percent of its original charge capacity remains. Each light represents incremental degradation. If five lights appear, less than 60 percent of the charge capacity remains, and you should consider replacing the battery. See Specifications for more information about the battery operating time.
NOTICE: To avoid losing or corrupting data, save your work immediately after a low-battery warning. Then connect the computer to an electrical outlet, or install a second battery in the media bay. If the battery runs completely out of power, hibernate mode begins automatically.
A low-battery warning occurs when the battery charge is approximately 90 percent depleted. The computer beeps once, indicating that minimal battery operating time remains. During that time, the speaker beeps periodically. If two DV4000 batteries are installed, the low-battery warning means that the combined charge of both batteries is approximately 90 percent depleted. The computer enters hibernate mode when the battery charge is at a critically low level. For more information about low-battery alarms, see Configuring Power Management Settings.
Conserving Battery Power
Perform the following actions to conserve battery power:
- Connect the computer to an electrical outlet when possible because battery life is largely determined by the number of times the battery is used and recharged.
- Place the computer in standby mode or hibernate mode (see Power Management Modes) when you leave the computer unattended for long periods of time.
- Use the Power Management Wizard (see Configuring Power Management Settings) to select options to optimize your computer’s power usage. These options can also be set to change when you press the power button, close the display, or press Fn Esc;.
Charging the Battery
NOTE: With Dell ExpressCharge , when the computer is turned off, the AC adapter charges a completely discharged Dell 1300 battery to 80 percent in about 1 hour and to 100 percent in approximately 2 hours. Charge time is longer with the computer turned on. You can leave the battery in the computer for as long as you like. The battery’s internal circuitry prevents the battery from overcharging.
NOTE: If you want to use a 9-cell inspiron 1300 battery to obtain Dell ExpressCharge, you need to use it in conjunction with a 90-W AC adapter.
When you connect the computer to an electrical outlet or install a battery while the computer is connected to an electrical outlet, the computer checks the battery charge and temperature. If necessary, the AC adapter then charges the battery and maintains the battery charge.
If the battery is hot from being used in your computer or being in a hot environment, the battery may not charge when you connect the computer to an electrical outlet.
The Dell 6000 battery is too hot to start charging if the light flashes alternately green and orange. Disconnect the computer from the electrical outlet and allow the computer and the battery to cool to room temperature. Then connect the computer to an electrical outlet to continue charging the battery.
Replacing the Battery
CAUTION: Before performing these procedures, turn off the computer, disconnect the AC adapter from the electrical outlet and the computer, disconnect the modem from the wall connector and computer, and remove any other external cables from the computer.
CAUTION: Using an incompatible GD761 or U4873 battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased from Dell. The battery is designed to work with your Dell computer. Do not use a battery from other computers with your computer.
NOTICE: You must remove all external cables from the computer to avoid possible connector damage.
- To remove the battery:
To replace the battery, follow the removal procedure in reverse order.
Storing a Battery
Remove the Dell 1520 battery when you store your computer for an extended period of time. A battery discharges during prolonged storage. After a long storage period, recharge the battery fully before you use it.
The document is from Dell.com support
Filed under Battery maintain | Tags: dell, guide | Comment (0)How to Replace a CMOS Battery
How to Replace a CMOS Battery
All desktop and laptop Battery 4 US computers use a special battery called a Complementary Metal Oxide Semiconductor (CMOS) battery which stores information about your computer, such as the date and time, when the machine is powered off. Normally the Laptop battery re-charges itself whenever the computer is turned on but if it stops working or becomes damaged you will need to replace it manually.
Unplug the power cord from the power supply on the back of your computer. Remove all of the extra cables for the mouse, keyboard, monitor, printer and speakers.
Use a screwdriver to unscrew the case screws on the side of your computer and Dell laptop battery . Put pressure on the side panel and slide it off the case
Locate the small circular C1295 battery , which will usually be either color or silver-colored, near the center of the motherboard. Check the model number on the top of the battery and then purchase a replacement through an online electronics store or a local computer supply store. Make a note of the model information on the battery as you may need it to complete the installation.
Snap off the battery cover if your motherboard has one and then remove the CMOS Inspiron 1420 Battery by simply pulling it out of its holder.
Push the replacement Inspiron 630m Battery back into the battery slot and pop the cover back down. Put the side panel back on the case, re-attach all of the cables, and then power on your computer to ensure the battery was correctly installed. Wait to see if the computer changes to a prompt asking for the Latitude D810 Battery information or if it boots directly to the desktop.
Enter in the battery model information you wrote down earlier if the prompt asks for it and then hit “enter” to finish the installation.
Filed under Battery maintain | Tags: CMOS battery, replace | Comment (0)Batteries daily use and maintenance
Maintain batteries for daily use and maintenance
Notebook computer battery is the consumables, the battery once opened, will begin the process of aging. With the aging of the chemical characteristics of cells vary. Aging with the use of normal methods. If the frequent charge-discharge of dell laptop batteries, it will accelerate the aging batteries. Battery life over a period of time, power will gradually shorten the time until the can not be used. Therefore shorten the battery life is a normal situation. Most of you who normally use an external power supply, like not using the laptop battery, but a matter of fact, the aging process of the battery over time has been less of the battery can only delay the process, but can not make it stop.
The impact of factors such as battery life:
Battery charge / release number of the use of the environment temperature (30 ¡æ suggested that the use of temperatures below computer) battery storage temperature
Shock suffered by the size of the HP laptop battery
Battery using must follow the below “principles”
1. AC Adapter (external power adapter) mode, use the battery if it has not gone through charge / discharge process, the life will be longer than the normal battery.
2. A smaller number of charge and discharge a certain extent, can extend IBM laptop battery life.
3. In the indoor temperature above 35 ¡æ, the battery wear and tear than the normal speed when the temperature much faster.
4. Throw, hit, etc. batteries will also accelerate Travelmate 290 battery depletion.
Application of the following battery will significantly shorten the working hours.
- The use of CD-ROM drive, such as DVD, CDROM and CDRW drives.
- The use of wireless communications equipment, an external PC card or USB device.
- The use of high-brightness display settings laptop battery, 3D screen savers or other programs, such as 3D games.
- In the highest performance mode of operation of the computer, power management program that is set to “always open” or “Max Battery mode.”
- The activities of procedures, including procedures for running in the background.
- LCD brightness (LCD more light, the greater the power consumption).
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Filed under Battery maintain | Tags: maintenance | Comment (0)Improving apple notebook by calibrating your battery
Improving apple notebook by calibrating your battery
You can calibrate your iBook, PowerBook, MacBook, MacBook Air, or MacBook Pro computer’s lithium ion battery for best performance.
The laptop battery has an internal microprocessor that provides an estimate of the amount of energy in the battery as it charges and discharges. The a1175 battery needs to be recalibrated from time to time to keep the onscreen battery time and percent display accurate and to keep the battery operating at maximum?efficiency. You should perform this procedure when you first use your computer and then every few months after that. If you normally leave your Apple portable computer connected to AC? power and very rarely use it on battery power you may want to perform this process once a month. The website?www.apple.com/batteries?has more helpful information regarding batteries and offers an iCal calendar to remind you to calibrate your battery.?
Note: If you’re not sure which model of PowerBook you have, see PowerBook G4 Computers: How to Identify Different Models for assistance.
Products Affected
iBook, MacBook Pro, MacBook, PowerBook, MacBook Air
iBooks and PowerBook G4s other than the PowerBook G4 battery (15-inch Double-Layer SD)
- Plug the power adapter in and fully charge your computer’s a1185 A1022 battery until the battery indicator lights turn off and the adapter plug light goes from amber to green, which indicates that the battery is fully charged.
- Disconnect the power adapter and use your iBook or PowerBook. When your battery gets low, you will see the low battery warning dialog on the screen. Continue to use your computer until it goes to sleep. At that point the battery has been sufficiently drained for calibration.
- Connect the power adapter and leave it connected until the battery is fully charged again.
You have to fully charge and then discharge your battery only once to calibrate it. After that, you can connect and disconnect the power adapter when the battery is at any charge level.
Tip: When the A1175 A1185 battery reaches empty , the computer is forced into sleep mode. The battery actually holds a reserve beyond empty , to maintain the computer in sleep for a period of time. Once the battery is truly exhausted, the computer is forced to shut down. At this point, any open files could be lost. Therefore, it is important that you find an electrical outlet and connect the adapter before the forced shutdown occurs.
PowerBook G4 (15-inch Double-Layer SD), MacBook (all models), Macbook Pro Series battery (all models), MacBook Pro (17-inch) (all models) and?MacBook Air
The battery calibration for the PowerBook G4 (15-inch Double-Layer SD) and any model of MacBook or MacBook Pro has been updated because of a new A1079 battery released with this computer. With these computers, follow these steps to calibrate your battery:
- Plug in the power adapter and fully charge your PowerBook’s battery until the light ring or LED on the power adapter plug changes to green and the onscreen meter in the menu bar indicates that the battery is fully charged.
- Allow the battery to rest in the fully charged state for at least two hours. You may use your computer during this time as long as the adapter is plugged in.
- Disconnect the power adapter while the computer still on and start running the computer off battery power. You may use your computer during this time. When your battery gets low, the low battery warning dialog appears on the screen.
- At this point, save your work.? Continue to use your computer; when the PowerBook G4 battery gets very low, the computer will automatically go to sleep.
- Turn off the computer or allow it to sleep for five hours or more.
- Connect the power adapter and leave it connected until the battery is fully charged again.
Tip: When the battery reaches empty , the computer is forced into sleep mode. The A1079 battery actually keeps back a reserve beyond empty , to maintain the computer in sleep for a period of time. Once the battery is truly exhausted, the computer is forced to shut down. At this point, with the safe sleep function introduced in the PowerBook G4 (15-inch Double-Layer SD) computers, the computer’s memory contents have been saved to the hard drive. When power is restored, the computer returns itself to its pre-sleep state using the safe sleep image on the hard drive.
You can calibrate your iBook, PowerBook, MacBook, MacBook Air, or MacBook Pro computer’s lithium ion battery for best performance.
The Ibook G4 battery has an internal microprocessor that provides an estimate of the amount of energy in the battery as it charges and discharges. The battery needs to be recalibrated from time to time to keep the onscreen battery time and percent display accurate and to keep the battery operating at maximum?efficiency. You should perform this procedure when you first use your computer and then every few months after that. If you normally leave your Apple portable computer connected to AC?power and very rarely use it on battery power you may want to perform this process once a month. The website?www.apple.com/batteries?has more helpful information regarding batteries and offers an iCal calendar to remind you to calibrate your battery.?
Note 
If you’re not sure which model of PowerBook you have, see PowerBook G4 Computers: How to Identify Different Models for assistance.
Products Affected
iBook, MacBook Pro, MacBook, PowerBook, MacBook Air
iBooks and PowerBook G4s other than the PowerBook G4 (15-inch Double-Layer SD)
- Plug the power adapter in and fully charge your computer’s apple laptop battery until the battery indicator lights turn off and the adapter plug light goes from amber to green, which indicates that the battery is fully charged.
- Disconnect the power adapter and use your iBook or PowerBook. When your battery gets low, you will see the low battery warning dialog on the screen. Continue to use your computer until it goes to sleep. At that point the battery has been sufficiently drained for calibration.
- Connect the power adapter and leave it connected until the battery is fully charged again.
You have to fully charge and then discharge your battery only once to calibrate it. After that, you can connect and disconnect the power adapter when the battery is at any charge level.
Tip: When the battery reaches empty , the computer is forced into sleep mode. The battery actually holds a reserve beyond empty , to maintain the computer in sleep for a period of time. Once the battery is truly exhausted, the computer is forced to shut down. At this point, any open files could be lost. Therefore, it is important that you find an electrical outlet and connect the adapter before the forced shutdown occurs.
PowerBook G4 (15-inch Double-Layer SD), MacBook (all models), MacBook Pro (all models), MacBook Pro (17-inch) (all models) and?MacBook Air
The apple laptop battery calibration for the PowerBook G4 (15-inch Double-Layer SD) and any model of MacBook or MacBook Pro has been updated because of a new battery released with this computer. With these computers, follow these steps to calibrate your battery:
- Plug in the power adapter and fully charge your PowerBook’s battery until the light ring or LED on the power adapter plug changes to green and the onscreen meter in the menu bar indicates that the battery is fully charged.
- Allow the battery to rest in the fully charged state for at least two hours. You may use your computer during this time as long as the adapter is plugged in.
- Disconnect the power adapter while the computer still on and start running the computer off battery power. You may use your computer during this time. When your battery gets low, the low battery warning dialog appears on the screen.
- At this point, save your work.? Continue to use your computer; when the laptop battery gets very low, the computer will automatically go to sleep.
- Turn off the computer or allow it to sleep for five hours or more.
- Connect the power adapter and leave it connected until the battery is fully charged again.
Tip: When the battery reaches empty, the computer is forced into sleep mode. The Ibook G4 battery actually keeps back a reserve beyond empty , to maintain the computer in sleep for a period of time. Once the battery is truly exhausted, the computer is forced to shut down. At this point, with the safe sleep function introduced in the PowerBook G4 (15-inch Double-Layer SD) computers, the computer’s memory contents have been saved to the hard drive. When power is restored, the computer returns itself to its pre-sleep state using the safe sleep image on the hard drive.
Filed under Battery maintain | Tags: apple, calibrate | Comment (0)