Run accessories in vehicle without draining battery Automatically charges auxiliary battery as you drive, never overcharges Self-contained electrical system converts alternator or generator to safe, efficient charger For 1986-2005 Chevrolet, GMC and Toyota vehicles Automatically isolate both the auxiliary and vehicle batteries so the discharge of one does not drain the other's power. Handle alternators up to 165 amps. Rectifiers and heat sink allow maximum heat dissipation without mechanical attachment. Eliminate shorting problems. Solid state. For all 6- to 36-volt, negative-ground electrical systems. UL listed. Connector kit required (sold separately).
Price: $134.99
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