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5
Important safety instructions
If abused or misused, rechargeable batteries may leak. In extreme cases, they may
even present:
Sennheiser does not accept any liability for damage arising from abuse or misuse.
• a heat hazard,
• a fire hazard,
• an explosion hazard,
• a smoke or gas hazard.
Keep away from children. Observe correct polarity.
Do not heat above 70°C/
158°F, e.g. do not expose to
sunlight or throw into a fire.
Switch rechargeable battery-
powered devices off after use.
Do not expose to moisture.
Only charge rechargeable batteries
with the appropriate Sennheiser
chargers.
Do not short-circuit.
When not using rechargeable
batteries for extended periods
of time, charge them regularly
(about every three months).
Do not mutilate or
dismantle.
Only charge rechargeable batteries
at ambient temperatures between
10°C/50°F and 40°C/104°F.
Do not pack charged
batteries loose – danger of
shorting out / fire hazard.
Immediately remove rechargeable
batteries from obviously defective
devices.
Do not continue to use
defective rechargeable
batteries.
Dispose of rechargeable batteries
and devices with built-in recharge-
able batteries at special collection
points or return them to your
specialist dealer.
Only use original Sennheiser
rechargeable batteries.
CAUTION!