Battery combiner kit for micro processor controlled split charge relay with 120 amp cont / 180 amp int rating. Connect voltage from 13V to 13,8V and 26 to 27,6V with intelligent trend detection. – CYR010120110R
This Battery Combiner Kit is for adding a 2nd or 3rd battery system in your car, boat, RV or whatever you wish. It utilizes the simplest and most advanced technology to keep all your batteries charged using the engine’s electrical system, but isolates the starting battery when charging ceases so you never get stranded.