Sure Power S7A-702D 70 A Battery Isolator

Battery Isolator Use To Eliminate Multi-Battery Drain When 2 Or More Battery Banks Are In A Charging System 70 Amp,Eliminate Multi-Battery Drain When Two Or More Battery Banks Are In A Charging System,Perform As Well Or Better Than Existing Factory Installed Components,Designed To Exceed OEM Specifications. More Efficient And Reliable Than Mechanical Or Solenoid Systems,Solid-State Electronics: Isolates Each Battery Circuit And Allows Each Battery To Discharge And Charge According To Its Own Needs