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5
BEFORE USING YOUR BATTERY CHARGER
It is important to understand the charger’s requirements. This section explains the
charger’s electrical requirements and how to prepare a battery for charging.
PLUGGING IT IN
Your charger requires a 120V AC re-
ceptacle installed according to all local
codes and ordinances.
USING AN EXTENSION CORD
The use of an extension cord is not
recommended. If you must use an exten-
sion cord, please make sure that you
follow these guidelines:
• Make sure that pins on plug of exten-
sion cord are the same number, size,
and shape as those of plug on char-
ger.
• Check that the extension cord is
properly wired and in good electrical
condition.
• Make sure that the wire size is large
enough for its length and for the AC
ampere rating, as specied in the
chart below.
PREPARING YOUR BATTERY TO BE CHARGED
It is important that you read and follow these guidelines while you are preparing to
charge the battery.
• Make sure that you have a 12 volt or 6
volt lead-acid battery. Determine volt-
age of battery by referring to vehicle
owner’s manual or the battery mark-
ings. Be sure to set the charger to the
6V or 12V mode accordingly.
• Clean the battery terminals. Be careful
to keep corrosion from getting in or
around your eyes.
• Wear safety glasses. See additional
“Personal Safety Precautions” on page
4.
• If required, for batteries with remov-
able vent caps, add distilled water to
each cell until the battery acid reaches
the level recommended by the manu-
facturer. This will help purge excessive
gases from the cells. Be careful not to
overll. If you have a sealed battery
with non-removable vent caps, no ac-
tion is necessary.
• Take time to read all of the battery
manufacturer’s specic precautions,
such as removing or not removing vent
caps while charging, and recommend-
ed rates of charge.
• Be sure that the area around the bat-
tery is well ventilated while it is being
charged. Gas can be forcefully blown
away by using a piece of cardboard or
other nonmetallic material as a fan.
• If it is necessary to remove the battery
from the vehicle to charge it, always
remove the grounded terminal from the
battery rst. Turn off all vehicle acces-
sories to avoid sparks from occurring.
• NOTE: A marine (boat) battery in-
stalled in a boat must be removed and
charged on shore.
MINIMUM RECOMMENDED EXTENSION CORD
Length of Cord, in Feet 25 50 100 150
AWG* Size of Cord 18 16 12 10
*AWG=American Wire Gauge