300 Amp Battery Jumper™ by Wagan Tech
®
www.wagan.com
8
3. Plug the large end of the DC power cord into an accessory (cigarette lighter) socket.
4. The Battery/Charging Indicator will light up red during the charging process.
Do NOT
charge for more than 12 hours at one time�
5. Disconnect the power cord from the accessory socket first, then from the unit’s charging jack.
6. Press the USB/Battery Status Button and observe the Battery Status Indicator for the state of
charge on the unit’s internal battery. Press the USB/Battery Status Button again to turn it off.
JUMP STARTER
Warnings
• Lead-acid batteries can release explosive gasses. Failure to follow instructions
may cause property damage, explosion hazard, and/or personal injury.
• Do not smoke while jump starting.
• Jump start a vehicle or boat in a well ventilated area.
• Do not attempt to jump start a frozen battery.
• This product is not intended for use in the rain or temperatures above 130°F.
• Do not let the jumper cables or other attached appliances get wet.
• Do not wear vinyl clothing when jump starting—friction can cause static
electricity sparks.
• Remove all metal jewelry to avoid short circuits.
• Always use safety glasses when jump starting battery. Keep battery terminals clean and be
careful to keep corrosion from coming in contact with eyes—acid can cause blindness and/
or severe burns.
• Never allow red and black clamps to touch or connect to the same piece of metal—this can
cause short-circuits, power arcing, and/or explosion.
• Make sure someone is available to give assistance if needed.
• Keep out of reach of children.
Procedure
CAUTION:
If the engine fails to start after three attempts, discontinue jump start 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.
1. Review the jump starter warnings.
2. Put the vehicle’s gear is in “park” position and make sure the brake is set.
3. Turn off the vehicle ignition and accessories (e.g. radios, lights, air conditioners), and
disconnect all devices such as GPS and mobile phones or tablets.
4. Turn off all Battery Jumper switches and disconnect all accessories.
5. Determine the polarity of the vehicle’s battery terminals. The positive (POS, P, +) battery
terminal is usually larger in diameter than the negative (NEG, N, −) terminal. If you are
unsure, you should refer to the vehicle owner’s manual.
