The 12V ProMax H.D. from Priority Start! is the only automatic computerized on/off protection system for your battery, alternator, and electrical system on the 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 ProMax H.D. offers heavier load capacity (up to 1,600 starting amps/400 continuous amps) for the effectiveness you want.
Features: 60% increase to contact disc 60% increase to spine gear & holding nut 40% increase to jack screw 40% increase to buss fuses Heavier ground wire connector thicker/stronger for heavier duty vehicles Top post contact material raised/increased to improve GM connections Gear cover for added strength & durability Motor cover for added strength & durability Higher intensity LED on top, improved visibility Redesigned circuit board
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