Suitable for most 12V charging systems- Surge protection. Dual Battery Isolators also feature surge protection and a L.E.D indicator designed to alert the user when the unit is engaged. When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery.
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DC 12V 24V 100A 200A WM686 Universal Relay 4 Pin Normal Open Car Starter Relay for Battery ON/Off Split Charge Relay Switch
Aliexpress UK
Working principle: When the engine is turned off, the relay will isolate your leisure battery from the main starter battery. Therefore, it will not drain the battery of the main starter and you will always be able to start the vehicle.
eBay
Automotive 5 Pin Relay 80A Car 5 Pin 12V 80A Relay DC 12V 80A AMP Split Charge 5 Pin Car Vehicle Automotive Van Boat Truck Relay
Aliexpress UK
For VW Transporter T5 T6 / Multivan T6 Front Windscreen Wiper Motor 7E2955113. NOX SENSOR FOR RENAULT MASTER MK3 III 2.3 DCI (2014+) VAN DIESEL 227903557R NEW. Tri_rated cable is also designed for use inside small electrical devices.
eBay
1Pcs Relay VSR for Camper Car Smart Battery Isolator 12V 140A Voltage Sensitive Split Charge for Car RV ATV Yacht
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
CNSPEED Smart Dual Battery Isolator 12V 140A Voltage Sensitive Relay VSR Split Charge with Digital Voltmeter For Camper Car RV
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
1PC 12V 200 Amp Heavy Duty Split Charge/Winch Relay for Car Van Boat 4 Pin 80*42*42mm
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
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
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