This electronic battery isolator manages dual-battery charging automatically, keeping your starting battery isolated from auxiliary power. The compact design lets your alternator charge both batteries independently while protecting electronics from surges and overcurrent.

The potted, water-resistant construction (IP62 rated) suits marine use. Press the manual override to parallel batteries for emergency jump-starting.

• 100 Ampere capacity
• Automatic electronic switching
• Isolated or parallel operation
• Over-current and surge protection
• Water-resistant (IP62)
• Includes integrated switches and fuse