JK Audio BlueDriver-F3 - Manual (Page 21)

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Technical Information
Technical Information
Battery Information
BlueDriver contains a rechargeable
Lithium-Ion battery. These batteries
do not have a “charging memory”
and can be recharged at any time
without changing their life expectancy.
All rechargeable batteries have a
limited life and will gradually lose
their capacity to hold a charge. This
loss of capacity is irreversible. To get
the most from your BlueDriver, the
battery should not be allowed to fully
discharge. If this unit is not in use, the
battery should be recharged at least
every 90 days. The Lithium-Ion battery
in this device is not user replaceable.
Please contact JK Audio or a factory
authorized service center for battery
replacement.
Safety Precautions
This unit should only be charged at
temperatures of 0º - 45°C
(32º - 113° F).
Operating temperatures for these
devices is -10º to 60ºC (14º to 140ºF).
When not in use, they should be
stored as -20º to 45ºC (-4 to 113ºF) to
prolong battery life.
While BlueDriver was designed to
be very rugged and durable, it is not
waterproof and care should be taken
to keep the unit dry.