AEG Voxtel M800 - Manual (Page 36)

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and discharged hundreds of times but it will
eventually wear out. When the talking and standby
time is noticeably shorter than normal, please
replace the battery. Use only approved batteries
and recharge your battery only with 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 long
period, it may be necessary to connect the charger,
disconnect it and then 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. 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 will occur when a metallic object such as
a coin, clip or pen causes direct connection of the
positive (+) and negative (-) terminals of the battery.
This might happen, for example, if 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.
A device with a hot or cold battery may not work
temporarily, even when the battery is fully charged.