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Safety instructions
Intended use
Intended use includes
•
having read this instruction manual, especially the chapter “Safety
instructions” on page 2,
•
using the products within the operating conditions and limitations
described in this instruction manual.
“Improper use” means using the products other than as described in
this instruction manual, or under operating conditions which differ
from those described herein.
Safety instructions for the Lithium-Polymer rechargeable battery
The BA 300 is a Lithium-Polymer rechargeable battery. If abused or
misused, this rechargeable battery may be damaged. Please under-
stand that Sennheiser does not accept liability for damage arising from
abuse or misuse.
WARNING!
In extreme cases, the rechargeable battery may even
present a
•
heat hazard,
•
fire hazard,
•
explosion hazard,
•
smoke and gas hazard.
Only charge rechargeable
batteries with the
appropriate Sennheiser
chargers.
Do not heat above
70°C/158°F, e.g. do
not expose to sunlight
or throw into a fire.
Return defective devices
or exhausted recharge-
able batteries to your
specialist dealer.
When not using the
rechargeable battery for
extended periods of time,
charge it regularly (every
6 months for about 1 hour).
Do not short-circuit.
Only charge rechargeable
batteries at ambient
temperatures between
10°C/50°F and 40°C/104°F.
Do not mutilate or
dismantle.
Do not charge the recharge-
able battery if the device is
obviously defective.
Store the devices/
rechargeable batteries in
a cool and dry place at
room temperature.
Do not expose to moisture.
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