S–21
SAFETY
Handling Lead/Acid Batteries
Charging lead acid batteries
Battery gas is explosive!
Strong acid solution
(sulfuric acid)
so
u
on ge
s
n
o eyes, was
and contact a doctor immediately.
If spilled or
splashed on an
part of body...
Wash with
lots of water.
1) Attach and remove these cables with
charger UNPLUGGED from 110 V wall
socket. (This prevents shocks if charger
is defective.)
2) Observe correct polarity when
connecting these larger leads.
3) Always charge in a well ventilated
area. Charging causes acid solution to
give off hydrogen gas through the vents
in the caps. Make sure vents are open.
If clogged, pressure inside may build.
Battery may EXPLODE.
While charging or discharging,
remember:
• No smoking
• No flames
• No sparks
DO NOT check battery charge by
placing metal objects across
posts. You will make sparks and
serious burns are possible.
Never remove charger cables
from battery posts. It is a sure
way to make a lot of sparks in an
area surrounded by battery gas.
After charging:
• Shut off charger
• Pull charger plug out of 110 V
outlet
• Take charger cables off battery
posts
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