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» The battery can be charged and discharged hun-
dreds of times but it will eventually wear out.
When the operating time (talk-time and standby
time) is noticeably shorter than normal, it is time to
buy a new battery.
¿ Use only batteries approved by the phone manu-
facturer and recharge your battery only with the
chargers approved by the manufacturer. When a
charger is not in use, disconnect it from the power
source. Do not leave the battery connected to a
charger for longer than a week, since overcharging
may shorten its life. If left unused a fully charged
battery will discharge itself in about a week at
room temperature.
´ For good operation times, discharge the battery
from time to time by leaving your phone switched
on until it turns itself off (or by using the battery
discharge facility of any approved accessory
available for your phone). Do not attempt to
discharge the battery by any other means.
² Temperature extremes will affect the ability of
your battery to charge: it may require cooling or
warming first.
¶ Use the battery only for its intended purpose.
º Never use any charger or battery which is
damaged or worn out.
¾ Do not short circuit the battery. Accidental short
circuiting can occur when a metallic object
(coin, clip or pen) causes direct connection of the
+ and - terminals of the battery (metal strips on
the back of the battery) 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.
µ 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 phone with a hot or cold
battery may temporarily not work, even when
the battery is fully charged. NiMH batteries
performance is particularly limited in temperatures
below -10°C (14° F).