Digital Voltage Sensitive Automotive Trucks Review

【125 Amps Voltage Sensitive Relay 】The dual battery isolator is a good replacement to charge battery systems. The Dimensions fits for Heavy Duty Modular Fuse Box Series (BF43x) and Battery Switch. 【Universal for dc 12v car, boat, rv, trucks etc.】Protects start batteries from becoming flattened by domestic loads. 【Great For Dual-Battery Vehicle】A max. 140 amps voltage sensitive relay (VSR) ensure you can always get your dual-battery vehicle started. Once your main starter battery charged completely , it will beginn to charge the second one. 【Premium Quality, Durable】Premium nylon shell material made, this voltage sensitive relay is sturdy, not easy to aging, and abrasion resistant. 【Easy to Install, Surface or panel mount optional. 】No voltage drops comparing to battery isolator diodes (0.6V). Combine / Open Voltage: DC 13.3V / 12.8V.