5
Routinely check the battery’s charge status.
Carefully monitor batteries that are approaching the end
of their estimated life.
Consider replacing the battery with a new one if you note
either of the following conditions:
The battery run time drops below about 80% of the
original run time.
The battery charge time increases significantly.
If a battery is stored or otherwise unused for an extended
period, be sure to follow the storage instructions in this
document. If you do not follow the instructions, and the battery
has no charge remaining when you check it, consider it to be
damaged. Do not attempt to recharge it or to use it. Replace it
with a new battery.
Always follow the charging instructions provided with your
product. Refer to your product’s user manual and/or online help
for detailed information about charging its battery.
Charge or discharge the battery to approximately 50% of
capacity before storage.
Charge the battery to approximately 50% of capacity at
least once every six months.
Remove the battery and store it separately from the
product.
Store the battery at temperatures between 5 °C and 20 °C
(41 °F and 68 °F).
