Nokia EXTRA POWER DC-11 - Manual (Page 5)

ENGLISH
When you charge the battery of a
low-power device such as a
Bluetooth headset, the indicator
light may continue flashing even
after the battery has been fully
charged.
6. Disconnect the DC-11 device from
the other device.
7. To carry the DC-11 device with you,
insert the charging cable into the
side slot, and push the charger plug
into the recess.
Battery and charger 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. This device is intended for use
when supplied with power from the
following chargers: AC-3, AC-4, AC-5,
AC-8, DC-4, and DC-9. The exact charger
model number may vary depending on
the type of plug. The plug variant is
identified by one of the following: E, EB,
X, AR, U, A, C, or UB. 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