Sennheiser 2020 - Manual (Page 7)

5
Important safety instructions
Safety instructions for Li-poly and NiMH rechargeable batteries and batteries
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.
Additional safety instructions for the BA 2015 accupack and for batteries
y a heat hazard,
y a fire hazard,
y a leakage hazard,
y an explosion hazard,
y a smoke or gas hazard.
Do not solder.
Immediately remove flat batteries/
rechargeable batteries from the
device.
Keep out of the reach of children.
Do not heat above 70°C/158°F, e. g.
do not expose to sunlight or throw
into a fire.
Do not expose to moisture.
Do not short-circuit.
Do not dismantle or bend out of
shape.
Do not mix up charged batteries.
Do not continue to use defective re-
chargeable batteries.
Only use original Sennheiser re-
chargeable batteries.
Observe correct polarity.
Switch rechargeable battery-pow-
ered devices off after use.
Only charge rechargeable batteries
with the appropriate Sennheiser
chargers.
When not using rechargeable bat-
teries for extended periods of time,
charge them regularly (about every
three months).
Only charge rechargeable batteries
at ambient temperatures between
10°C and 40°C.
Stop charging immediately if it is
obvious that the devices are faulty.
Dispose of rechargeable batteries
and devices with built-in rechargea-
ble batteries at special collection
points or return them to your spe-
cialist dealer.