TLILY Dual Battery Smart Isolator 12V 140A Car Parts Relay VSR for Campers

General description This Dual Battery Smart Isolator is designed for 12V systems, making it ideal for a variety of vehicles including ATVs, UTVs, boats, RVs, marine vehicles, trucks, and caravans. It features a Voltage Sensitive Relay (VSR) that ensures your primary battery is always ready to start your vehicle by automatically linking and disconnecting the batteries based on voltage levels. Technical specifications Type: 12V Voltage Sensitive Relay Continuous current: 80-100A Instantaneous current: 125A Current Consumption - Charging: 240mA Current Consumption - Standby: 8mA Detachment delay: 5-10 seconds Recommended Fuse: 80Amp Power stud: M6 copper screw nut Surge Protection: Built-in Usage The VSR engages when the starting battery reaches 13.3 volts, linking both batteries for charging. When the vehicle is turned off and the voltage drops to 12.8 volts, the system automatically disconnects the auxiliary battery, ensuring the main battery remains charged and ready for the next