Heavy-Duty Automatic Battery Isolators

buy Heavy-Duty Automatic Battery Isolators at JC Whitney

BATTERY ISOLATOR For all vehicles including Volkswagen vans and vehicles with Motorola alternators 85-amp 2-battery systems only Self-contained electrical system converts alternator or generator to safe efficient charger For 3-battery systems use 2 isolators. Instructions included. Automatically charges auxiliary battery as you drive never overcharges . Self-contained electrical system converts alternator or generator to safe efficient charger . Automatically isolate both the auxiliary and vehicle batteries so the discharge of one does not drain the other's power. Handle alternators up to 160 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.