3. FEATURES
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4. CHARGING THE INTERNAL BATTERY OF THE JUMP STARTER
IMPORTANT! CHARGE IMMEDIATELY
AFTER PURCHASE, AFTER EACH USE
AND EVERY 30 DAYS, TO KEEP THE
JUMP STARTER'S INTERNAL BATTERY
FULLY CHARGED AND PROLONG
BATTERY LIFE.
DIGITIAL DISPLAY
The display can be used to indicate a
battery's voltage percentage when
connected to a battery or the percentage of
charge in the jump starter's internal battery.
With the switch in the OFF position,
connect the clamps to the vehicle's
battery and its voltage is displayed. Turn
the jump starter's rotary switch to 12V
(12V or 24V for PSJ-4424) and the
combined voltage of both internal and
external batteries is shown.
To read the internal battery's charge
status: Press the display button to read
the percentage of charge left in the
internal battery. A fully charged battery
will read 100%.
CHARGING THE INTERNAL BATTERY
Charge the internal battery for the
jump starter using an extension cord
(not included).
NOTE: Use of an improper extension
cord could result in a risk of fire and
electric shock.
1. Make sure the rotary switch on the
front of the jump starter is in the O
(OFF) position.
2. To charge, plug an 18 gauge (AWG)
or larger extension cord (not included)
into the charger plug on the side of
the jump starter.
3. Plug the extension cord into a 120V
AC electrical wall outlet.
4. While the jump starter is charging,
the battery's percentage of charge will
be displayed. When the internal
1. Durable polypropylene case
4
with high-impact rubber base
2. ON/OFF switch
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3. 12 Volt DC power outlet
4. Two function digital display
5. Heavy-duty replaceable
battery clamps
battery is fully charged, the display
will show 100. Complete charging
may take up to 72 hours. The jump
starter is then ready to use.
5. The charger will automatically go
into maintain mode and maintain
the battery at full charge without
damaging it.
6. Charge the jump starter as soon as
possible after use.
IMPORTANT: Do not use the jump starter
while charging the internal battery.
CHARGING THE INTERNAL BATTERY
WHILE DRIVING
You may also charge the internal battery
while driving, using a male-to-male
charger cable (part number 94500109 –
not included).
IMPORTANT: DO NOT CHARGE
INTERNAL BATTERY FOR MORE
THAN 30 MINUTES OR LEAVE THE
BATTERY UNATTENDED. IT COULD
EXPLODE, CAUSING PROPERTY
DAMAGE OR PERSONAL INJURY.
1. Make sure the car is running.
2. Insert one end of the accessory cable
into the 12V DC power outlet.
3. Insert the other end of the accessory
cable into the vehicle's accessory
outlet (lighter socket).
IMPORTANT: Using this method to charge
the battery overrides the maintain mode
and the battery can be overcharged.
4. Monitor the progress of the charge by
pressing the Display button on the front
of the unit. When the battery is fully
charged, disconnect the accessory
cable from the jump starter, then from
the lighter socket of the vehicle.
NOTE: Completely disconnect the charger
cable when the engine is not running.
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