52
Using Batteries
P
RECAUTIONS
W
HEN
U
SING
B
ATTERIES
Never use any charger or battery that is damaged in any
way.
Use the battery only for its intended purpose.
If you use the phone near the network’s base station, it
uses less power; talk and standby times are greatly
affected by the signal strength on the cellular network
and the parameters set by the network operator.
Battery charging time depends on the remaining battery
charge and the type of battery and charger used. The
battery can be charged and discharged hundreds of
times, but it will gradually wear out. When the operation
time (talk time and standby time) is noticeably shorter
than normal, it is time to buy a new battery.
If left unused, a fully charged battery will discharge itself
over time. When charging after complete discharge, the
phone will not display anything for about 30 minutes.
Use only approved chargers. When a charger is not in
use, disconnect it from the power source. Do not leave
the battery connected to a charger for more than a week,
since overcharging may shorten the battery life.
Extreme temperatures will affect the charging capacity of
your battery: it may require cooling or warming first.
Do not leave the battery in hot or cold places, such as in
a car in summer or winter conditions, as it will reduce the
capacity and lifetime of the battery. Always try to keep the
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