Battery Isolator 12V 140A for Truck RV

1 Voltage Sensitive Relay: Auto manual control, dual battery isolator is connected at 13.3V and disconnected at 12.8V to ensure that your main battery is always charged and ready to start the vehicle. Like having two separate power sources for each battery with only one AC generator 2 Universal Compatibility: Dual battery isolator allows accessories to run from separate battery when engine is not running, while keeping main battery charged. Multifunctional solution for powering any off road or marine vehicle, including ATV, boats, cars, trucks, RVs, and yachts 3 Easy Installation: The VSR split charge relay kit comes with complete installation accessories and cables (battery cables, battery terminals, copper lugs, heat shrink tubing, cable ties), allowing users to easily install it independently on vehicles, boats, and other equipment 4 Secure and Efficient: Battery isolator effectively manages and protects power, preventing main battery from over discharging and ensuring second battery is fully charged. Featuring IP68 water proof, dust proof, and shockproof structure for stable performance even in harsh conditions 5 Wide Application: This 12V 140A dual battery isolator is widely applicable to trucks, RV, ATV, UTV, SUV, boats, yachts, and more, which is convenient and practical. It can meet your off road needs even in dusty, humid, and extreme weather conditions

What's in the box
1 x Dual Battery Isolator