Duracell Digital inverter 400 Owner's Manual page 9

WARNING: Explosion hazard
Do not use the Inverter in the presence of flammable fumes or gases,
such as in the bilge of a gasoline-powered boat, or near propane tanks.
Do not use the Inverter in an enclosure containing automotive-type,
lead-acid batteries. These batteries, unlike sealed batteries, vent
explosive hydrogen gas, which can be ignited by sparks from electrical
connections.
WARNING: Crash hazard
Vehicle drivers should not configure or troubleshoot the Inverter while
they are driving the vehicle.
CAUTION: Output non-sinusoidal
Some chargers for small nickel-cadmium batteries can be damaged if
connected to the Inverter. Do not use the Inverter with the following
equipment:
• Small battery-operated appliances like rechargeable flashlights,
some rechargeable shavers, and night lights that are plugged directly
into an AC receptacle to recharge.
• Battery chargers used in power tools. These chargers display a
warning label stating that dangerous voltages are present at the
charger battery terminals.
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