www�wagan�com
3
900 Amp Battery Jumper
™
by Wagan Tech
®
User’s Manual—Read before using this equipment
4
©2012 Wagan Corporation� All Rights Reserved�
Wagan Tech and
wagan.com
are trademarks used by Wagan Corporation�
CHARGING AND RECHARGING
WARNING:Donotoverchargethisunit�Overchargingmayresultindamagetotheunit�
Priortochargingunit,readandunderstandallinstructionsforthisunit�
• This product may arrive partially charged from the manufacturer� It is recommended to
fully charge the unit immediately after purchase and before first use�
• The charging LED indicator will illuminate while charging� The light will stay
lit while charging plug is plugged in� When charging is complete, press the “Battery
Check” button and the “Battery Status” light will show the state of the battery charge�
When charging is complete, remove the AC/DC adapter from the unit� Press the battery
status button and the green LED light will be illuminated to indicate charging is complete�
• Do not charge the unit for more than 48 hours continuously�
• Do not charge the unit on a boat, boat ramp, or dock since the electrical cords
and outlets used for charging could cause severe electrical shock if they get wet�
• It is recommended that the unit is in an upright position while charging�
Charging with AC Charger
1� Insert AC charger plug into charging jack of the unit�
2� Insert AC charger receptacle plug into AC receptacle�
3� Fully charge the unit�
• First time charge: 38 hours continuously
• Recharge or between use: 34-36 hours continuously
4� When charging is complete, unplug the AC charger receptacle plug then the AC
charger from the charging jack on the unit�
Charging with 12 Volt Charger
1� Insert DC charger plug into charging jack of the unit�
2� Insert DC charger accessory plug into vehicle cigarette lighter socket�
3� Fully charge the unit for 12-14 hours continuously while the engine is running�
4� When charging is completed, unplug the DC charger accessory plug first and
then the DC charger from the charging jack on the unit�
JUMPSTARTING A VEHICLE
WARNING:Vehiclesequippedwithon-boardcomputersmaybeaffectediftheengine
batteryisjump-started�Readyourvehicleowner’smanualbeforeattemptingtostartthe
vehicletodetermineifexternalstartingassistancecanbeused�Failuretofollowthese
instructionsmaycausedamageorexplosion�Usesafetyglassestoprotecteyeswhilejump-
startingabattery�
1� Turn off the vehicle ignition and all accessories (e�g� radios, lights, air conditioners, and
cellular phones)�
2� Set the emergency brake and put vehicles with automatic transmission in park position�
3� Determine the polarity of the vehicle’s battery terminals� The positive (POS, P, +) battery
terminal usually is larger in diameter than the negative (NEG, N, −) terminal� If you are
unsure, you should refer to the vehicle owner’s manual�
4� Determine whether your vehicle uses a negative or positive grounded system: Negative
ground system (negative battery terminal is grounded to chassis)� Most vehicles use
this system� Positive grounded battery terminal is grounded to chassis or any other part
of the vehicle� IF YOU ARE UNSURE, YOU SHOULD REFER TO VEHICLE OWNER’S
MANUAL�
5� Remove clamps from the holders� Never allow clamps (positive & negative terminals) to
touch together or contact the same piece of metal to prevent short-circuits and arcing�
6� Follow instructions for a negative grounded system or positive grounded system as
indicated below:
Negative Grounded System
a� Securely connect the positive (+) red clamp to the positive (POS, P, +) terminal of
the vehicle battery or the remote positive (+) terminal if equipped�
b� Securely connect the negative (−) black clamp to the vehicle chassis, engine block,
or a non-moving metal part of the vehicle which is verified to be grounded� Do not
clamp directly to negative battery terminal, carburetor,
fuel lines, or sheet metal body parts�
c� See jump-starting step 7 to continue�
Positive Grounded System
a� Securely connect the negative (−) black clamp to the negative (Neg, N, −)
ungrounded terminal of the vehicle battery�
b� Securely connect the positive (+) red clamp to the vehicle chassis, engine block, or
a non-moving metal part of the vehicle which is verified to be grounded� Do not
clamp directly to positive battery terminal, carburetor, fuel lines, or sheet metal
body parts�
c� See jump-starting step 7 to continue�
