GROUNDING AND AC POWER CORD CONNECTIONS
This battery charger is for use on a nominal
120 volt circuit and has a grounded plug.
The charger must be grounded, to reduce
the risk of electric shock. The plug must be
plugged into an outlet that is properly
installed and grounded in accordance with
all local codes and ordinances. The plug
pins must fit the receptacle (outlet). Do not
use with an ungrounded system.
NOTE: Pursuant to Canadian Regulations,
use of an adapter plug is not allowed in
Canada. Use of an adapter plug in the
United States is not recommended and
should not be used.
ON/OFF SWITCH
Use this switch to select between the
Charge/Maintain rate, Boost rate and the
Engine Start mode.
• OFF – When the switch is in this position
(middle), the charger is turned off.
• BOOST or CHARGE/MAINTAIN – When
the switch is in this position, the Rate
Selection button can be set to either the
6A<>2A Charging/Maintaining or the 20
amp Boost setting.
• ENGINE START – When the switch is in this
position, the Engine Start LED will illuminate.
RATE SELECTION BUTTON
Use this button to select one of the following:
• CHARGE/MAINTAIN 6A<>2A – For charging
small and large batteries. Not recommended
for industrial applications.
• BOOST 20A – This setting should only be
used to provide a quick boost to a severely
WARNING: A spark near battery may cause
the battery to explode.
CHARGING A BATTERY IN THE VEHICLE
1. Turn off all the vehicle's accessories.
2. Keep the hood open.
3. Clean the battery terminals.
4. Set the switch to the OFF position.
5. Lay the AC/DC cables away from any fan
blades, belts, pulleys and other moving
parts that can cause injury.
CONTROL PANEL
OPERATING INSTRUCTIONS
• 5 •
USING AN EXTENSION CORD
The use of an extension cord is not
recommended. If you must use an
extension cord, follow these guidelines:
• Pins on plug of extension cord must be the
same number, size, and shape as those of
plug on charger.
• Ensure that the extension cord is properly
wired and in good electrical condition.
• Wire size must be large enough for the AC
ampere rating of charger, as specified below:
Length of cord (feet)
AWG* size of cord
*AWG-American Wire Gauge
discharged battery, prior to using the Engine
Start function. Do not use this setting to
charge your battery.
• ENGINE START 150A – Provides 150
amps for cranking an engine with a weak or
run-down battery. Always use in combination
with a battery.
LED INDICATORS
CLAMPS REVERSED (red) LED
flashing: The connections are reversed.
CHARGING (yellow) LED lit:
The charger is charging the battery.
CHARGING (yellow) LED flashing:
The charger is in abort mode.
CHARGED/MAINTAINING (green)
LED pulsing: The battery is fully charged
and the charger is in maintain mode.
NOTE: See the Operating Instructions
section for a complete description of the
charger modes.
6. For a negative-ground vehicle (as in
most vehicles), connect the charger's
POSITIVE (RED) clamp to the POSITIVE
(POS, P, +) battery post. Next, connect
the charger's NEGATIVE (BLACK) clamp
to the vehicle chassis or engine block,
away from the battery.
7. For a positive-ground vehicle, connect
the charger's NEGATIVE (BLACK)
clamp to the NEGATIVE (NEG, N, -)
battery post. Next, connect the charger's
POSITIVE (RED) clamp to the vehicle's
25
50
100
150
16
12
10
8