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Important Battery Information
• 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. When a charger is not in use, discon-
nect 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 over time.
• (NiMH batteries only) 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.
• Temperature extremes will affect the ability of your battery
to charge: allow it to cool down or warm up first.
• Use the battery only for its intended purpose.
• Never use any charger or battery which is damaged or
worn out.
• 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.
• 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 59º F and 77º F (15º C and 25º C). 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
14º F (-10º C). Li-Ion batteries’ performance is particularly
limited in temperatures below 32º F (0º C).
• Do not dispose of batteries in a fire!
• Dispose of used batteries in accordance with any local
regulations.