Dual Battery Isolator Kit Heavy Duty 300 AMP 1000 AMP Peak Voltage Sensitive Relay VSR for 12 Volt Systems - Works with All Battery Types Including Lithium and LiFePO4 MCF CCA is ideal for applications

CCA is ideal for applications requiring ample power transfer

8 volts to ensure your primary battery is always charged and ready to start your vehicle

Ignition protected—safe for installation aboard gasoline powered boats

4 GAUGE 25-FEET BLACK CCA POWER GROUND WIRE: This top-quality

By choosing our complete fuse kit

Dual Battery Isolator Kit Heavy Duty 300 AMP 1000 AMP Peak Voltage Sensitive Relay VSR for 12 Volt Systems - Works with All Battery Types Including Lithium and LiFePO4 MCF CCA is ideal for applicationsDo you have more than 150 amp hour capacity of auxiliary battery? Do you need even MORE power and amperage for your additional accessories or inverters? When our standard 140 amp isolator isnt enough, you need the Heavy Duty Keyline 300 amp isolator. Key line Chargers has the ONLY 300 amp Dual Battery Isolator on the market! Providing you with everything you need, our 300 amp Dual Battery Isolator kit is the BEST charging solution for heavy duty dual