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Battery Packs
Storing a Battery Pack
If a notebook will be unused and not connected to external power
for 2 weeks or more, remove and store the battery pack.
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CAUTION: To prevent damage to a battery pack, do not expose it to
high temperatures for an extended time.
High temperatures accelerate the self-discharge rate of a stored
battery pack. To prolong the charge of a stored battery pack, place
it in a cool, dry place.
Use the following table to estimate how long you can safely store
a battery pack. The storage times provided are based on a battery
pack that contains 50 percent of a full charge. A fully charged
battery pack can be safely stored for longer times; a battery pack
containing a lower charge can be safely stored for less time.
Calibrate a battery pack that has been stored for 1 month or more
before using it.
Temperature
Range (°F)
115° to 140°
79° to 113°
32° to 77°
3–24
Temperature
Range (°C)
46° to 60°
26° to 45°
0° to 25°
Safe Storage Time
Less than 1 month
No more than 3 months
1 year
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