Battery disconnect switch rated current: 240A. Disconnect Switches can solve the power consumption caused by such problems, and can extend the battery power and service life of cars. Disconnect Automatically(12V).
eBay
12V Battery Relay Switch Dual Remote Car Battery Disconnect Relay Anti-Theft Battery Shut Off Switch Isolator Battery Isolator
Aliexpress UK
When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery. So it does not drain your main starter battery and you will always be able to start your vehicle.
eBay
12V Battery Relay Switch Dual Remote Car Battery Disconnect Relay Anti-Theft Battery Shut Off Switch Isolator for Trailer Truck
Aliexpress UK
When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery. So it does not drain your main starter battery and you will always be able to start your vehicle.
eBay
4 Pin Battery Switch Relay 12V 200A Electromagnetic Isolating Relay Dual Battery Isolator Relay Current Start Relay Car Relay
Aliexpress UK
When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery. So it does not drain your main starter battery and you will always be able to start your vehicle.
eBay
4 Pin Battery Switch Relay 12V 200A Electromagnetic Isolating Relay Dual Battery Isolator Relay Current Start Relay Car Relay
Aliexpress UK
This car battery disconnect switch can master kill your vehicle system power, extend and protect the battery and engine life. With higher working current and instantaneous current, this disconnect switch is safer and more active.
eBay
4 Pin Battery Switch Relay 12V 200A Electromagnetic Isolating Relay Dual Battery Isolator Relay Current Start Relay Car Relay
Aliexpress UK
When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery. So it does not drain your main starter battery and you will always be able to start your vehicle.
eBay
12V 24V 100A 200A Universal Battery Switch Relay Start 4 Pin Dual Battery Isolator Relay Current Start Relay Car Relay
Aliexpress UK
Dual Battery Isolators also feature surge protection and a L.E.D indicator designed to alert the user when the unit is engaged. - Suitable for most 12V charging systems- Surge protection. When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery.
eBay
12V Battery Relay Switch Dual Remote Car Battery Disconnect Relay Anti-Theft Battery Shut Off Switch Isolator Compact Battery
Aliexpress UK
When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery. So it does not drain your main starter battery and you will always be able to start your vehicle.
eBay
12V 200A Universal Battery Switch Relay Start 4 Pin Dual Battery Isolator Relay Current Start Car Relay
Aliexpress UK