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Battery information
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4. Battery information
Your headset is powered by a rechargeable battery. Take good care of the battery
and follow the guidelines below.
■ Charge and Discharge
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, contact your nearest qualified service facility.
Use only batteries approved by the 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.
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 (coin, clip or pen) causes direct connection of the + and - terminals
of the battery (metal strips on 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.
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 headset with a hot