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Reference information
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19. Reference information
This section provides information about your phone’s batteries,
enhancements, chargers, safety guidelines and technical information.
Be aware that the information in this section is subject to change as
batteries, chargers, and enhancements change.
■ Batteries and chargers
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, buy a new battery.
Use only Nokia approved batteries, and recharge your battery only with
Nokia approved chargers designated for this device.
Unplug the charger from the electrical plug and the device when not in
use. Do not leave the battery connected to a charger after the battery
has finished charging. Overcharging may shorten its lifetime. If left
unused, a fully charged battery will lose its charge over time.
Temperature extremes can affect the ability of your battery to charge.
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 59°F and 77°F (15°C
and 25°C). A device with a hot or cold battery may not work temporarily,