It simply connects between the two batteries. The relay is connected between the vehicles main battery (Positive) and the leisure battery (Positive). The most important part of the circuit are the fuses!
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PD 60W Multifunctional USB Type C Data Cable Set Fast Charging For IPhone Xiaomi Charger Storage Box Adapter Card Pin Travel Box
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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
PD 60W Multifunctional USB Type C Data Cable Set Fast Charging For IPhone Xiaomi Charger Storage Box Adapter Card Pin Travel Box
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
Brand New Rubber Cap for Garmin Edge 1030 1030 Plus Anti-Dust Plug USB Cover Bottom Screw Set Charging Caps With Assemble Tools
Aliexpress UK
Built-in LED indication (lights up when VSR starts). 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
18650/21700 Mobile Power Supply Shell PD 22.5W Fast Charging Transparent Shell Mobile Power Supply Diy Kits Without Battery
Aliexpress UK
The relay is connected between the vehicles main battery (Positive) and the leisure battery (Positive). It simply connects between the two batteries. The most important part of the circuit are the fuses!
eBay
Solar Panels solar panel 100 watt Portable Power kit Flexible Charging Outdoor Cells For Home Camping 100W 200W 300W 400W 1000W
Aliexpress UK
2 x MTA Midi Fuse Holders. 10 x Adhesive Cable Tie Fixing Bases (28mm x 28mm) including fixing Screws. 2.5mm Roll Forged Drill Bit. 15 x Black Nylon Cable Ties.
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120W Fast Charging USB Type C PD Cable Charger Adapter Kit For iPhone Samsung Xiaomi Redmi Quick Charge Wall Plugs EU/US/UK
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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
Taidacent 12V TX 5V 1.2A RX Wireless Charger Module Copper Wire Coil Magnetic Inductive Charging Power Supply PCB KIT
Aliexpress UK
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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Pocket Universal Mini Wireless Charging Kit Charger Oi Adapter Receptor Coil Receiver For iPhone5 6 6s 7 8 11 Huawei Xiaomi
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