Add to Cart Tekonsha 7001-S Battery Isolator 12V 80 Amp Tekonsha MSRP: $48.59 Now: $42.70 Was: Tekonsha 7001-S Battery Isolator Allows Multiple batteries to be charged from one charging source. Prevents charging system overload. Works with any 12V negative ground charging system... MSRP: $48.59 Now: $42.70 Was: Add to Cart