500A DC 12V High Current Solenoid Auto Car Starter Relay 4 Pin SPST Start Contactor Double Batteries Isolator Control On/Off Switch
Special Features
- It help extend battery life
- Universal 12V applications
- Prevents primary battery discharge
- Made of water resistant black phenolic plastic
- The main function of this product is to switch on, it can be used alone, it can be also connected to control to use
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