120A Battery Isolator (1 Alternator Source, 2 Battery Banks)

1 Alternator Source 2 Battery Banks. Maximum Amperage Input Capacity: 120 Amps. Allow charging multiple batteries automatically from one or two alternators and prevent discharge or dumping of one battery into another. Each battery is charged according to its need without overcharging. Rated for up to 48 volts DC, negative ground. Conservatively rated diodes and a rustproof anodized aluminum heat sink case. Heavy duty construction. Stainless steel mounting hardware provided. Protective covers provided for terminals.