USER’S MANUAL PAGE 7
JSL-1250
1. This unit is only for emergency use, not for frequent commercial use! Do
NOT attempt to jumpstart your vehicle when the unit’s battery capacity
is below 30%.
2. Turn off the vehicle ignition and all accessories (radios, lights, air
conditioners, etc.), and disconnect electronic devices.
3. Identify polarity of battery posts. The positive battery terminal is typically
marked by these letters or symbol: POS, P, +. The negative battery
terminal is typically marked by these letters or symbol: NEG, N, -.
4. Do NOT make any connections to the carburetor, fuel lines, or thin metal
parts.
5. Identify if you have a negative or positive grounded vehicle. This can be
done by identifying which battery post (NEG or POS) is connected to
the chassis.
6. For a negative grounded vehicle (most common): connect the RED
POSITIVE jumper clamp first to the positive battery terminal, then
connect the BLACK NEGATIVE jumper clamp to the negative battery
terminal or vehicle chassis.
7. For a positive grounded vehicle (very uncommon): connect the BLACK
NEGATIVE jumper clamp first to the negative battery terminal, then
connect the RED POSITIVE jumper clamp to the positive battery
terminal or vehicle chassis.
JUMP STARTING
WARNING:
If you have connected the clamps backwards, an audio alarm
will sound and the Warning LED will be lit. Do NOT turn the ON/OFF switch
to the ON position. Reverse the connections and the audio alarm will stop.
NEVER allow two clamps to touch together or connect to the same metal
when ON/OFF switch gets the ON position! The jumpstarting function does
NOT have reverse polarity protection or short circuit protection. Incorrect
operation of your jump starter may result in damage and personal injury.
8. Turn the switch to the ON position.
9. Crank the engine for no more than 8 seconds. If the engine does not
start, wait 3 minutes before cranking again.
