General description This Dual Battery Smart Isolator is a Voltage Sensitive Split Charge Relay designed for various vehicles including UTVs, boats, RVs, marine applications, trucks, and caravans. It ensures that your main battery remains charged while allowing the auxiliary battery to be charged automatically when the main battery is fully charged. Technical specifications Type: 12V Voltage Sensitive Relay Continuous Current: 80-100A Instantaneous Current: 125A Current Draw - Load: 240mA Current Draw - Standby: 8mA Detach Delay: 5-10 seconds Recommended Fuse: 80 Amp Power Stud: M6 Copper Screw Nut Surge Protection: Built-in Compatibility and accessories Compatible with UTVs, boats, RVs, marine applications, trucks, and caravans Ensure accessories connected to the second battery are fused within 0.98 FT Usage Automatically connects the auxiliary battery when the starter battery reaches 13.3 volts Disconnects both batteries when the voltage drops to 12.8 volts Allows for safe operation