95 Amp, 1 Input, 2 Battery Isolator Eliminates multi-battery drain, when two or more battery banks are in a charging system. Performs as well or better than existing factory installed components. Designed to exceed OEM specifications. Solid State Electronics…Isolates each battery circuit and allows each battery to discharge and change according to its own needs. The ORIGINAL, not an imitation! The Battery Isolator was invented by Sure Power® in 1959. More efficient and reliable than mechanical or solenoid system. The most comprehensive line of Battery Isolators on the market. Isolators are available for most application needs.