Nokia Bluetooth Stereo Headset BH-103 - Manual (Page 16)

B a t t e r y i n f o r m a t i o n
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4. Battery information
This device has an internal, nonremovable, rechargeable
battery. Do not attempt to remove the battery from the
device as you may damage the device. The battery can be
charged and discharged hundreds of times, but it will
eventually wear out. Recharge your battery only with Nokia
approved chargers designated for this device. Use of an
unapproved charger may present a risk of fire, explosion,
leakage, or other hazard.
If a 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. If the battery is
completely discharged, it may take several minutes before
the charging indicator light is displayed.
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