The dual battery insulator can automatically combine two batteries when charging and isolate them when no charging takes place to ensure efficient power use. When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery.
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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.
eBay
Premium High Quality 24V 100A Voltage Sensitive Relay (VSR / BSR) For Dual Battery Charging. Ideal for Campers, Caravans and other dual battery setup's.Voltage Cut In: 26.6VVoltage Cut Out: 25.6VMax Load: 180AStud Sizes: 2 x M6 Dimensions (L x W x H): 66 x 66 x 50 mm VSR has 2 mounting holes in either corner and comes with a fixing kit with 2 large screw, 2 small screws and a ring terminal to attach to the negative wire. Removable bottom plate for access to the studs and negative wire. Supplied complete with instructions for wiring up the VSR.FEATURESThis VSR has a microcontroller which ensures a stable voltage, smart detection of the vehicle & auxiliary batteries and avoids overheating.
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
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.
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
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.
eBay