Smart Dual Battery Isolator - 12V

Allows two batteries to automatically charge at the same time and then isolates the batteries, ensuring the starting battery is always charged. Automatically engages or disengages the circuit at pre-set voltages, eliminating the possibility of discharging the primary starting battery. Cut-in voltage: 13.3V. Cut-out voltage: 12.8V. Surge protected. An LED indicator alerts the user when the unit is engaged. Constructed of machined brass with a weatherproof injection molded nylon housing and silver tipped contacts. Includes two #8 RH fasteners. IP65 rating.