The cooling fan operates automatically: keep hands
well clear and make sure your clothing does not snag
on the fan.
Battery
Warning
The battery gives off explosive gases; never
cause sparks or allow naked flames and cigarettes
near the battery. When charging the battery, ensure
that the working area is properly ventilated and that
ambient temperature is below 40° C (104° F). Never
try to open the battery: it does not need to be filled
with acid or other types of fluids.
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