Car Dual Battery Isolator Kit 12V 140AMP Smart Voltage Sensitive Relay Charger

1. Dual battery isolator/voltage sensitive relay designed for various 12V applications.
2. The dual battery isolator senses the generated input voltage and automatically connects/disconnects appliances or circuits at a preset voltage, eliminating the possibility of primary starting battery discharge.
3. It adopts a waterproof body design, IP65 waterproof rating and sturdy and durable silver-tipped contacts, which well protects the safety of the device.
4. The dual battery isolator has surge protection and LED indicator design, making it easier to see the usage situation more intuitively.
5. The dual battery isolator is ideal for a dual battery setup, allowing both batteries to charge at the same time, then isolating the batteries from each other when the vehicle is off, ensuring your starting battery is always charged and ready to go.
6. Features:
- Designed for dual battery systems
- Works with most 12V charging systems (surge protection)
- Simple product, easy to install and use
- Automatically sense main battery voltage level
- Cut-in voltage: 13.3V
- Cut-out voltage: 12.8V