Datasheet

Battery information
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6. Battery information
■ Charging and discharging
Your device is powered by a rechargeable battery. The
battery can be charged and discharged hundreds of times,
but it will eventually wear out. When the charging time is
noticeably shorter than normal, replace the battery. Use
only Nokia approved batteries, and recharge your battery
only with Nokia approved chargers designated for this
device.
If a replacement battery is being used for the first time or if
the battery has not been used for a prolonged period, it may
be necessary to connect the charger, then disconnect and
reconnect it to begin charging the battery.
Unplug the charger from the electrical plug and the device
when not in use. Do not leave a fully charged battery
connected to a charger, since overcharging may shorten its
lifetime. If left unused, a fully charged battery will lose its
charge over time.