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14 Reference information
This section provides information about your phone’s batteries, accessories,
chargers, safety guidelines and technical information. Be aware that the
information in this section is subject to change as batteries, chargers, and
accessories change.
• BATTERY STATEMENTS
Charging and Discharging
Your phone is powered by a rechargeable battery.
Note that a new battery's full performance may be 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 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 manufacturer and recharge your
battery only with the chargers approved by the manufacturer. Unplug the
charger when not in use. Do not leave the battery connected to a charger
for longer than a week, since overcharging may shorten its lifetime. If left
unused, a fully charged battery will discharge itself over time.
Temperature extremes can affect the ability of your battery to charge; allow
it to cool down or warm up first.
For good operation times with NiMh batteries, 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.
Use the battery only for its intended purpose.
Never use any charger or battery which is damaged or worn out.