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
120W Fast Charging USB Type C PD Cable Charger Adapter Set For iPhone 16 15 Samsung Xiaomi Redmi Quick Charge Wall Plug EU/US/UK
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
500W PD3.1 7Cell Power Bank Kit 1.83inch Color Screen DC5-28V Adjustable LED Light Cooling fan laptop phone UPS fast Charging
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.
eBay
Mobile Phone Charging Port Dust Plug Removal Cleaner Kit For IPhone Samsung Xiaomi Universal Phones Dustproof Cleaning Brush
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
Black cat crystal fish pendant imd wireless bluetooth earphone case for apple airpods 1 3 4 pro 2nd 2 headset charging 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
66pcs Cell Phone Dust Plug Speaker Mesh Sticker with Tweezers for IPhone 16 Samsung Xiaomi Charging Port Protector Cleaning Kit
Aliexpress UK
Also including a 12 way fuse box for safe and simple distribution for all of your 12v devices. 1 x 250mm 110amp Red Starter Battery to fuse box lead. All the leads are supplied ready made up for you to a very high standard.
eBay
1pcs ZY12PDN USB-C PD2.0 3.0 to DC Fast Quick Charging Power Supply Module USB Charger Board Set - ZY12PDN Screw Terminal
Aliexpress UK
Built-in LED indication (lights up when VSR starts). Automatically combines two batteries when charging and isolates the two batteries when not charging,which can widely used in 12v camper van trucks, caravans, and camping applications.
eBay
Toocki PD60W USB C To Type C Cable For iPhone 15 Pro Max 5 in 1 Cable Charging Case Set USB Adapter Cable For Samsung S23 Xiaomi
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. When your engine is switched off, the relay will isolate your leisure battery(s) from your main starter battery.
eBay
Luxury Pink Diamond Cute Headphone Case For Apple Airpods 4 3 Pro 2 Cover with Pearl Chain Silicone Headset Charging Cases Pro2
Aliexpress UK