SURE POWER 12023A RV Trailer Camper Electrical 120 Amp 2 Battery Isolator

Description

Manage power for up to 3 batteries while extending battery life. Prevent accessories powered by a vehicle's auxiliary batteries from robbing power from your main starting battery. * Rugged solid-state construction * One year warranty * Installation kits required 120 amp for Delcotron CS Series 121, 130, 144 (BOXED, CARDED). 1 per pack.