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CHARGING A BATTERY OUTSIDE OF THE VEHICLE
1. Place battery in a well-ventilated area.
2. Clean the battery terminals.
3. Set the switch to the OFF position.
4. Connect the battery, following the precautions listed in sections 6 and 7.
5. Connect the charger to the electrical outlet.
6. With the charger plugged in and connected to the battery of the vehicle, set the switch to the Boost or
Charge/Maintain position.
7. Select the Charge/Maintain rate and the battery type.
8. When disconnecting the charger, set the switch to the OFF position, disconnect the charger from the
AC power, disconnect the negative clamp, and nally the positive clamp.
9. A marine (boat) battery must be removed and charged on shore.
BOOST MODE
NOTE: The unit will automatically switch to Boost mode, depending on the voltage. To select the
Charge/Maintain mode, press the Rate Selection button.
While in Boost mode, if the yellow/orange Boost LED does not light, press the Rate Selection button until
the Boost LED lights solid. The LED will light solid if battery is properly connected and the boosting process
will start. While in Boost mode, the display will show the voltage. If a bad battery is detected, “bad bat”
will be shown on the display.
NOTE: Boost mode will remain energized until the Rate Selection button is pressed or the main ON/OFF
switch is set to the OFF position.
NOTE: If voltage of battery is under 12.7V, charger will automatically go into Boost mode to quickly add
energy to the battery. To abort/skip the temporary Boost and force the charger into the Maintain/Charge
mode, press the Rate Selection button again (while still boosting).
CHARGE/MAINTAIN MODE
To select this mode, press the Rate Selection button until the yellow/orange 6<>2A Charge/Maintain LED
lights. The LED will light solid if battery is properly connected and the charging process will start. The
display will show the charger voltage. To change the mode on the display, press the Display button. When
the battery is fully charged, the green Charged/Maintaining LED will pulse. If charging cannot be completed,
“bad bat” with an error code will be shown on the display. The battery may be bad; have it checked.
USING THE ENGINE START FEATURE
Your battery charger can be used to jump start your car if the battery is low. Follow all safety instructions
and precautions for charging your battery. Wear complete eye protection and protective clothing.
WARNING: Using the Engine Start feature WITHOUT a battery installed in the vehicle will damage the
vehicle’s electrical system.
NOTE: If you have charged the battery and it still will not start your car, do not use the Engine Start
feature, or it could damage the vehicle’s electrical system. Have the battery checked.
1. Set the switch to the OFF position.
2. With the charger unplugged from the AC outlet, connect the charger to the battery following the
instructions given in the Charging a Battery in the Vehicle section.
3. Plug the charger AC power cord into the AC outlet.
4. With the charger plugged in and connected to the battery of the vehicle, set the ON/OFF switch to the
Engine Start position. If the battery is properly connected, the yellow/orange Engine Start LED will light
solid and the display will show “ON”. If display shows “0.0”, check the battery connections. If the yellow/
orange Engine Start LED blinks fast, check the battery connections. When the Engine Start output is
enabled the display will show “rdy”.
5. Crank the engine until it starts or 5 seconds pass. If the engine does not start, wait a few minutes
before cranking again. This allows the charger and battery to cool down. NOTE: During extremely cold
weather, or if the battery is under 2 volts, boost the battery for 5 minutes before cranking the engine.
NOTE: After 3 minutes in Engine Start mode, the charger will enter into a cool-down period of 180
seconds, to allow the charger and the battery to cool down.
