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Important safety instructions
Safety instructions for Lithium-Ion rechargeable batteries
If abused or misused, rechargeable batteries may leak. In extreme cases, they may even
Please understand that Sennheiser does not accept liability for damage arising from abuse or misuse.
Additional safety instructions for the BA 2015 accupack and for batteries
y heat hazard
y fire hazard
y explosion hazard
y smoke and 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.
Remove rechargeable batteries when the
unit is not used for extended periods of
time.
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 and
40°C.
Do not get fully charged but unpacked
rechargeable batteries mixed up.
Immediately remove rechargeable
batteries from obviously defective devices.
Do not continue to use defective
rechargeable batteries.
Dispose of rechargeable batteries at special
collection points or return them to your
specialist dealer.
Only use original Sennheiser rechargeable
batteries.
Do not solder.
mmediately remove flat batteries/
rechargeable batteries from the device.