laptop battery new

Conserving Battery Power
Perform the following actions to conserve battery power:Sony laptop battery

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,PCGA-BP2T, PCGA-BP2V, PCGA-BP4V, PCGA-BP71, VGP-BPL2, VGP-BPS3, 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,PCGA-BP2T, PCGA-BP2V, 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.PCGA-BP2T, PCGA-BP2V, PCGA-BP4V, PCGA-BP71, VGP-BPL2, VGP-BPS3, 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.PCGA-BP4V, PCGA-BP71, 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:

If the computer is connected to a docking device (docked), undock it.PCGA-BP2T, PCGA-BP2V, PCGA-BP4V, PCGA-BP71, VGP-BPL2, VGP-BPS3, See the documentation that came with your docking device for instructions.
Ensure that the computer is turned off or in hibernate mode (see Hibernate Mode).Slide the two battery-bay latch releases on the bottom of the computer toward the sides of the computer until they are engaged.
Grasp the battery by the Dell 1525 battery tab and slide the battery horizontally toward the front of the computer.
Lift to remove the battery from the bay,VGP-BPL2, VGP-BPS3, .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