Check the product before every use! Discontinue use
if any damage to the product or the charging cable is
detected!
Sudden temperature changes may cause condensation
inside the product . In this case, allow the product to
acclimate for some time before using it again to prevent
short circuits!
Do not operate the product near heat sources, e .g .
radiators or other devices emitting heat!
Do not try to open the product! It has no internal parts
requiring maintenance .
Safety instructions for built-in
rechargeable batteries
Failure to observe the following warnings may
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