ELWING E1-500 Mode D'emploi page 16

Never throw the battery into a fire, as that could cause the battery
to explode.
Never short-circuit the battery by bringing the connector terminals in
contact with another metal object. This could cause personal injury or
fire and could also damage the battery.
Your device contains an internal rechargeable lithium-ion battery
which may present a risk of fire or chemical burn if mistreated. Do
not charge or use the unit in a car or similar place where the inside
temperature may be over 40°C.
Battery Charging Information
The charger supplied with the electric skateboard should
be regularly examined for damage to the cord, plug,
enclosure, and other parts. In the event of such damage, the
skateboard must not be charged until the charger has been
repaired or replaced.
Unplug the charger and disconnect it from the skateboard when not
in use.
Only use the dedicated charger provided for this unit.
For indoor use only. Do not expose the charger to liquid, moisture or
extreme humidity. Do not charge Elwing Nimbus skateboard or
the remote outdoors or in the rain.
Stop charging the skateboard and/or remote if charging isn't
completed within the specified time.
Stop charging the skateboard and/or remote if the batteries become
abnormally hot, show signs of odor, discoloration, deformation, or if
abnormal conditions are detected during use, charge, or storage.
CAUTION