Battery Isolator - 120A - 1 Alternator, 3 Battery

BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 BatteryThe Arco Marine BI-1203-3A is an inboard/outboard battery isolator that can handle 1 alternator, 3 batteries, and 120A max. Rated for use with 10 to 350-amp alternators on 12, 24, or 32-volt negative ground systems.*Includes exciter terminalFeatures:1 alternator, 3 batteries, 120A maxInboard and outboard battery isolators are solid-state devices that allow electrical current to flow in one direction ONLY, thus permitting the alternator to be connected directly to two batteries without fear of one higher-charged battery discharging into the lower-charged battery.Both batteries are always being charged automatically, in proportion, to their needs whenever the engine is running.li style=''box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertic