Battery isolator - 12/48V - 120A - Code: 21520985
Battery isolator allows 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. Model 120-3, 2 input, 3 output, 120A, 12/48V. Dimension 120x200x63 mm.