BI-500 Battery Isolator

500 A continuous battery isolator. A must for any multi-battery system: keeps your starting battery from being drained.

• Handles 500 amps continuous
• Durable weatherproof construction
• A must for multi-battery systems
• Longer battery life and control over which battery is in use
• Isolates a second battery dedicated to the stereo system, ideal for boats
• Keeps the primary starting battery from being drained
• No voltage drop to the secondary battery, unlike dual battery isolators