The Smart Start Dual Battery Isolator and Wiring Kit (SBI12KIT) is equipped with everything needed to install your Smart Start Dual Battery Isolator including the Smart Start itself. The easy-to-install kit is suited for the everyday DIYer since the SBI12KIT doesn't require any crimping or soldering. High-quality MTA 60 amp fuses and fuse holders with the corresponding ring terminals are already attached to the wires. The SBI12KIT prevents your secondary battery from draining your main battery. It works for harsh automotive or marine environments. And, it significantly extends your battery life, proving to be cost-effective and efficient.

• Overmold design, Compact size and easy installation, Silver contacts for longer life and suitable for marine applications, Power saving technology. Fault indication, Fully surge protected
• Power-saving technology that provides cost-effective protection for the primary battery in a safe and convenient way by using the alternator to charge the auxiliary battery.
• Protect the starter battery's excessive discharge, allowing your auxiliary battery to power your accessories.