Sennheiser HE 1 User Manual page 9

Safety instructions for lithium batteries (BFI 1 remote control)
WARNING
If abused or misused, the batteries may leak. In extreme cases, they may even
present a risk of
• explosion,
• fire development,
• heat generation,
• smoke or gas development.
Keep away from children.
Observe correct polarity.
Immediately remove the
batteries from an obviously
defective product.
Dispose of batteries at special
collection points or return
them to your specialist dealer.
Do not mutilate or dismantle.
Do not expose to moisture.
Important safety instructions
Remove the batteries if the
product will not be used for
extended periods of time.
Pack/store charged batteries
so that the terminals cannot
contact each other – danger
of shorting out/fire hazard.
Only use batteries specified
by Sennheiser.
Store the products in a
cool and dry place at room
temperature (approx.
20 °C/68 °F).
Do not continue to use
defective batteries.
Do not heat above
70 °C/158 °F, e.g. do not
expose to sunlight or throw
into a fire.
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