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Safety instructions for Lithium-Polymer rechargeable batteries
If abused or misused, rechargeable batteries may leak or be damaged.
In extreme cases, they may even present
Rechargeable batteries must only be replaced by authorized
Sennheiser partners.
CAUTION! • a heat hazard,
• a fire hazard,
• an explosion hazard,
•a smoke or gas hazard
Keep away from
children.
Dispose of rechargeable
batteries at special collection
points or return them to your
specialist dealer.
Observe correct
polarity.
Do not short-circuit.
Do not expose to
moisture.
Switch rechargeable battery-
powered devices off after use.
Do not continue
to use defective
rechargeable
batteries.
When not using rechargeable
batteries for extended periods
of time, charge them regularly
(about every three months).
Only charge
rechargeable
batteries at ambient
temperatures
between 10°C/50°F
and 40°C/104°F.
Do not heat above 70°C/158°F,
e.g. do not expose to sunlight
or throw into a fire.
Do not mutilate or
dismantle.
Only charge rechargeable
batteries with the appropriate
Sennheiser chargers.