Heavy duty isolators allow charging multiple batteries automatically from one or two alternators and
prevent discharge from one battery bank to another. Each battery is charged according to need without
overcharging. Rated for 12-48 volt negative ground systems.
Models*: 1-2-70; 1-3-70; 1-2-120; 1-3-120; 2-3-70; 2-3-120; 1-3-165.
* Model # Key: Alternator-Inputs-Battery-Bank Outputs-Alternator Amps
NOTE: These battery isolators are not compatible with self exciting alternators. Please consult the
manufacturer of your alternator if you are unsure of your configuration.