Schumacher SE-1-12S Owner's Manual page 4

1.11 To reduce the risk of a battery explosion, follow these instructions
and those published by the battery manufacturer and the
manufacturer of any equipment you intend to use in the vicinity
of the battery. Review the cautionary markings on these products
and on the engine.
1.12 This charger employs parts, such as switches and circuit breakers,
that tend to produce arcs and sparks. If used in a garage, locate
this charger 18 inches (46 cm) or more above floor level.
2. PERSONAL PRECAUTiONS
a short-circuit current high enough to weld a ring or the like to
metal, causing a severe burn.
2.3 Be extra cautious to reduce the risk of dropping a metal tool onto
the battery. It might spark or short-circuit the battery or other
electrical part that may cause an explosion.
2.4 Use this charger for charging LEAD-ACID batteries only. It is not
intended to supply power to a low voltage electrical system other
than in a starter-motor application. Do not use this battery charger
for charging dry-cell batteries that are commonly used with
home appliances. These batteries may burst and cause injury to
persons and damage to property.
2.5 NEVER charge a frozen battery.
2.6 NEVER overcharge a battery.
2.7 Consider having someone close enough by to come to your aid
when you work near a lead-acid battery.
2.8 Have plenty of fresh water and soap nearby in case battery acid
contacts your skin, clothing or eyes.
2.9 Wear complete eye and body protection, including safety goggles
and protective clothing. Avoid touching your eyes while working
near the battery.
RiSK OF EXPLOSiVE GASES.
2.1 NEVER smoke or allow a spark or flame in the
vicinity of a battery or engine.
2.2
Remove personal metal items such as rings,
bracelets, necklaces and watches when working with
a lead-acid battery. A lead-acid battery can produce
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