15. Battery Information; Charging And Discharging - Nokia 3155 User Manual

B a t t e r y i n f o r m a t i o n

15. Battery information

Charging and
discharging
Your device is powered by a
rechargeable battery. The full
performance of a new battery is
achieved only after two or three
complete charge and discharge cycles.
The battery can be charged and
discharged hundreds of times, but it
will eventually wear out. When the talk
and standby times are 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.
If the battery is completely discharged,
it may take a few minutes before
the charging indicator appears on
the display or before any calls can
be made.
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Use the battery only for its intended
purpose. Never use any charger or
battery that is damaged.
Do not short-circuit the battery.
Accidental short-circuiting can occur
when a metallic object such as a coin,
clip, or pen causes direct connection of
the positive (+) and negative (-)
terminals of the battery. (These look
like metal strips on the battery.) This
might happen, for example, when you
carry a spare battery in your pocket or
purse. Short-circuiting the terminals
may damage the battery or the
connecting object.
Leaving the battery in hot or cold
places, such as in a closed car in
summer or winter conditions, will
reduce the capacity and lifetime of the
battery. Always try to keep the battery
between 15°C and 25°C (59°F and
77°F). A device with a hot or cold
battery may not work temporarily,
even when the battery is fully charged.
Battery performance is particularly
limited in temperatures well below
freezing.
Do not dispose of batteries in a fire as
they may explode. Batteries may also
explode if damaged. Dispose of
batteries according to local
regulations. Please recycle when
possible. Do not dispose as household
waste.