• 4 •
10. CONTROL PANEL
RATE SELECTION BUTTON
Use this button to select one of the following:
• 6<>2A CHARGE/MAINTAIN – For charging small and large batteries. Not recommended for industrial
applications.
• BOOST – For quickly adding energy to a severely discharged or large capacity battery prior to Engine Start.
• ENGINE START – Provides additional amps for cranking an engine with a weak or run-down battery.
Always use in combination with a battery.
LED INDICATORS
CLAMPS REVERSED/BAD BATTERY (red) LED flashing: The connections are reversed.
CLAMPS REVERSED/BAD BATTERY (red) LED lit: The charger has detected a problem with the battery.
See Troubleshooting for more information.
ON (yellow/orange) LED lit: The charger is charging the battery.
CHARGED/MAINTAINING (green) LED lit: The battery is fully charged and the charger is in maintain mode.
NOTE: See Operating Instructions for a complete description of the charger modes.
11. OPERATING INSTRUCTIONS
WARNING: A SPARK NEAR THE BATTERY MAY CAUSE AN EXPLOSION.
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. Place the charger on a dry, non-flammable surface.
5. Lay the AC/DC cables away from any fan blades, belts, pulleys and other moving parts.
6. Connect the battery, following the precautions listed in sections 6 and 7.
7. Connect the charger to a live, grounded 120V AC outlet.
8. Select the charge rate.
9. Press the START button to begin charging immediately. If START button is not pressed within
thirty seconds after unit was first powered up, and the charger detects a battery that is properly
connected, the charging process will automatically begin and finish. Unit will automatically use the
BOOST rate for the first 10 minutes and then change to the Charge rate, if selected.
10. When charging is complete, indicated by Charged/Maintaining LED lit, or if you are done, press
STOP button, disconnect the charger from the AC power, disconnect the clamp attached to vehicle’s
chassis, and finally remove the clamp from battery terminal.
CHARGING A BATTERY OUTSIDE OF THE VEHICLE
1. Place battery in a well-ventilated area.
2. Clean the battery terminals.
3. Connect the battery, following the precautions listed in sections 6 and 7.
4. Connect the charger to a live grounded 120V AC outlet.
5. Select the charge rate.
6. Press the START button to begin charging immediately. If START button is not pressed within
thirty seconds after unit was first powered up, and the charger detects a battery that is properly
connected, the charging process will automatically begin and finish. Unit will automatically use the
BOOST rate for the first 10 minutes and then change to the Charge rate, if selected.
7. When charging is complete, indicated by Charged/Maintaining LED lit, or if you are done, press
STOP button, disconnect the charger from the AC power, disconnect the negative clamp, and finally
the positive clamp.
8. A marine (boat) battery must be removed and charged on shore.