Type: Li-ion
Capacity: 4400 mAh
Volt: 10.8 V
Size: 205.12 x 59.10 x 21.10 mm
Color: Black
How To take care your IBM ThinkPad T40 battery?
When using a laptop as a desktop replacement the battery should not be left in
for long periods of time. The laptop will over time discharge the battery.
Remove the battery,making sure that it is charged to 50% and store it in a dry,
warm place. Ensure that it is wrapped protectively and nothing will be dropped
on it.
The battery should be re-installed every 3-4 weeks and allowed to fully
discharge. Leaving a battery in storage for longer than this without using could
cause the battery to fully discharge as the circuitry of the IBM battery
ThinkPad T40 itself consumes power.
Leaving a battery in a laptop while using an electrical outlet for long periods
of time will keep the battery in a constant state of charging up and that will
reduce the life cycle of the IBM ThinkPad T40.
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