20 Most Recent JUMP START SYSTEM - Page 7 Questions & Answers

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http://www.baccusglobal.com/bd/manuals/NEW%20MANUALS%20FOR%20WEB/VEC012POB%20MANUAL.pdf Perhaps this will help

How old is it? The battery only lasts a couple of years used or not.

Just plug it in and let it charge for 6-8 hours. Most unit has a push button to check the battery condition. Press it to check the charging level.

6 to 8 hours will be fine. If your unit has a charge indicator then you can check it. ,

Press on the air pump hose center pin. It may be off center or damage.

How old is it? If it's more that 2 years old the battery needs to be replaced.

The battery in question so bad it wouldn't even register on the charger unit to any degree. I know this makes no sense, and kinda negates the whole point of even having a battery charger to begin with, but I learned of the battery it's attached to is too bad it won't even allow you to do ANYTHING with it.

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When charging the jump starter , should the switch be on or off .

Where can i buy the power cord to recharge my Power on Board 12 volt 450 amp

if you can get your hands on a volt meter attach the meter to the charger clamps, red to red and black to black, turn the volt meter to DC volts (20V scale on most) and turn on the charger. You should be reading at least 12V.

If you put a meter across the battery posts, set to dc volts, while it is charging, it should read about 13.5 volts.