Voltage Sensitive Relay 12v 140Amp

Enerdrive 12v VSR  

Voltage Sensitive Relay for Cars, Trucks, Motorhomes, 4WDs, Vans and any other vehicle requiring a dual battery system or for replacing existing VSR units. Designed to charge Auxiliary batteries while the vehicle is driving.   

Features:
- Charging current 12v 140Amps Max
- Straight forward set up and includes installation instructions.
- Charges your auxiliary battery, such as a deep cycle battery while the vehicle is being used. 
- Very efficient charging operation. 
- Protect electronics on auxiliary battery circuit from engine start up spikes.
- Surge Protection
- Fully Automatic Operation.
- Comes with ground cable and installation bolts.