This product is the IBEX Smart Battery Isolator (Model IBEXB10) with a capacity of 140 amps, designed for dual battery systems. Function: It automatically connects the two batteries during charging and disconnects them when the engine stops to prevent draining the primary battery. Specifications: Operates at 12 volts and supports current up to 140 amps. Design: Features a weather-resistant casing and an LED indicator for operating status. Contact us on the website or WhatsApp as the phone is off.