Safety instructions for Lithium-Polymer rechargeable batteries
If abused or misused, the rechargeable batteries may leak. In extreme cases, they may even present
• a heat hazard,
• a fire hazard,
• an explosion hazard,
• a smoke or gas hazard.
Please understand that Sennheiser Communications does not accept liability for damage arising from
abuse or misuse.
Keep away from children.
Do not expose to moisture.
Do not mutilate or dismantle.
When not using rechargeable batteries
for extended periods of time, charge
them regularly (every six months for
about one hour).
Only charge rechargeable batteries at
ambient temperatures between +5°C/
+41°F to +45°C/+113°F.
Return defective devices or devices with defective rechargeable batteries to your specialist
dealer.
Important safety information
Do not short-circuit.
Do not heat above +45°C/+113°F, e.g.
do not expose to sunlight or throw into
a fire.
Do not charge the rechargeable battery
if the device is obviously defective.
Only charge rechargeable batteries with
an appropriate Sennheiser Communica-
tions charger.
Store in a cool and dry place at room
temperature (approx. 20°C/68°F).
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