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User’s Manual—Read before using this equipment
7
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• Use safety glasses to protect eyes while jumpstarting a battery.
• If the engine fails to start after two 3-second cranking attempts, discontinue jumpstart
procedure. Excessive engine cranking can damage the vehicle’s starter motor. Look for other
problems that may need to be corrected or call for professional service.
• Disconnecting cable clamps is always done in reverse order from connection sequence (see
Jumpstart Procedure below).
• Vehicles equipped with on-board computers may be affected if the engine battery is
jumpstarted. Read your vehicle owner’s manual before attempting to start the vehicle to
determine if external starting assistance can be used.
• If the iOnBoost is overloaded while in the jumpstart mode, quickly disconnect the negative
then positive clamps. All functions on the iOnBoost will not operate if the unit was
overloaded. To recover from overload, let the unit rest for 10 minutes then plug it into a
power source for a few minutes to reset the unit. All functions on the iOnBoost will not
operate until this is done.
Brief Recap of Sequences for Connection and Disconnection
2
3
1
ORDER OF CONNECTION
2. Connect positive (red)
clamp to positive battery
terminal.
1. Connect cables to iOnBoost.
3. Connect negative (black)
clamp to solid metal ground
on engine or frame, away
from battery).
1
2
3
ORDER OF DISCONNECTION
2.
Disconnect positive
(red) clamp from positive
battery terminal.
1.
Disconnect negative
(black) clamp
from frame.
3.
Disconnect cables from
iOnBoost.
