The 12V ProMax H.D. from PriorityStart! is the only automatic computerizedon/off protection system for your battery, alternator, and electrical system onthe market today. It recognizes when your battery’s voltage drops to 11.7 volts,and then disconnects so that the battery’s voltage can recover. The 12V ProMaxH.D. offers heavier load capacity (up to 1,600 starting amps/400 continuousamps) for the effectiveness you want. Post adaptor Pos.(+) red cable Ground wire U-clip Attachment band LED power indicator
