Smart Two Battery Isolator High Current Voltage Sense Relay Kit for Car

This vehicle electrical part is a smart two battery isolator designed to manage charging between two battery banks in a marine or vehicle setup. Acting as a battery relay, it switches charging on and deactivated automatically, helping connect the starter and auxiliary batteries when conditions are right. As a 24V battery isolator, it features LED on at 26.6VDC and LED deactivated at 25.6VDC, giving clear voltage-based control points for reliable operation. The compact ABS housing and included terminals, screws, washers, and circular terminal lug make this marine battery isolator easier to install in tight engine or battery compartments. This two battery isolator helps keep battery systems separated when needed, supporting secure power management and more dependable charging for boats and other 24V systems.