Battery Isolator, 120 Amp

Battery Isolator. Dimensions: 6 1/2'' W x 4 1/2'' D x 3 1/2'' H. Batteries: 3. Alternators: 1. Terminals: 4 -- 3/8-16. Max Output: 120 Amp. *Will not work with Delco ''CS'' style alternators. Negative Ground. Insures battery isolation without needing to check a switch. Allows 2 or 3 batteries to be charged at once. Insures battery isolation without needing to check a switch Will not work with Delco ''CS'' style alternators Negative Ground Allows 2 or 3 batteries to be charged at once