A VSR is a relay that separates the car's main cranking battery and the secondary accessories battery. The VSR is triggered by detecting when the alternator is running and charging the car battery. When the VSR detects that the car is on, it says "Hey the car's on!
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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.
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3500W 7000W Pure Sine Wave Inverter 12V to 240V Power Converter Remote LCD. For BMW 2 SERIES F22 F23 M2 REAR TRUNK BOOT SPOILER LIP GLOSS BLACK 2014-2019. 2x Bonnet Boot Gas Struts Bootlids Tailgates Parts Hatchback Ball Studs 56CM.
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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.
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Surge protection: built-in. The shell is made of premium ABS, anti-impact, strong and durable. Application: most 12V 4WD marine, truck, caravan, SUV ATV UTV, etc. A perfect fit under the hood to get close to your dual batteries.
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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