1-2-120 Newmar 1-2-120 Heavy-Duty Battery Isolator This reliable battery isolator enables seamless charging of multiple batteries from one or two alternators while preventing the inadvertent discharge of one battery into another. Each battery receives optimal charging based on its requirements, avoiding overcharging. It is suitable for 12-, 24-, or 36-volt negative ground DC systems, and is designed to handle a 120-amp alternator. Compatibility: Designed for heavy-duty performance. Note: This battery is

<p><strong>Newmar 1-2-120 Heavy-Duty Battery Isolator</strong></p><p>This reliable battery isolator enables seamless charging of multiple batteries from one or two alternators while preventing the inadvertent discharge of one battery into another. Each battery receives optimal charging based on its requirements, avoiding overcharging. It is suitable for 12-, 24-, or 36-volt negative ground DC systems, and is designed to handle a 120-amp alternator.</p><p><strong>Compatibility:</strong> Designed for heavy-duty performance.</p><p><strong>Note:</strong> This battery isolator is not compatible with self-exciting alternators. Please consult your alternator's manufacturer to confirm compatibility.</p>