Marine Battery Isolators & Battery Management

Shop marine battery isolators from Egret Marine — solid-state diode isolators for simultaneous multi-bank charging, automatic charging relays (ACR) that combine banks during charging and isolate them at rest, voltage-sensitive battery combiners, and 1-2-Both-Off manual battery switches for bank selection and isolation. Charge multiple banks from one alternator while keeping your starting battery protected. All items in stock and ready to ship.