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to the touch, stop charging and contact Customer
Service ( P.25-25).
1
• Charge battery at least once every six months
while not in use. Otherwise, battery may become
unusable.
• Battery is a consumable; replace it if operating
time shortens noticeably.
Note
• Use specified Charger only.
• Battery must be inside 820SC to charge it.
• When not in use, unplug Charger from outlet or
cigarette lighter socket.
1-14
Battery Life
Battery time/life may be reduced by any of the
following:
• Environmental Factors
Storing/using 820SC beyond 5°C - 40°C
Using 820SC when signal is poor/out-of-range
Debris on 820SC, battery or Charger Port
• Operational Factors
Active S! Appli
Camera use
Media Player use
Excessive Keypad use (e.g. for gaming or
messaging)
®
Bluetooth
transmissions
Frequently opening and closing 820SC
• Settings
Using Slide Show
Setting Brightness higher or Backlight Time
longer
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