Schumacher Electric SP1 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 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
lead-acid battery. A lead-acid battery can produce 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 Consider having someone nearby to come to your aid when you
work near a lead-acid battery.
RISK OF EXPLOSIVE GASES.
1.10 WORKING IN THE VICINITY OF A LEAD-ACID
BATTERY IS DANGEROUS. BATTERIES GENERATE
EXPLOSIVE GASES DURING NORMAL BATTERY
OPERATION. FOR THIS REASON, IT IS OF UTMOST
IMPORTANCE THAT YOU FOLLOW THE
INSTRUCTIONS EACH TIME YOU USE THE CHARGER.
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
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