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 Battery Charging Bank Kit Removable Weld-free 10 Slots DIY Mobile Power Housing Kit Battery Storage Box (without battery)
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
Mobile Phone Speaker Type C Charging Port Cleaning Set Dust Plug for iPhone 16 15 14 Samsung Xiaomi Earphones Cleaner Kit Brush
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
Hot Sale 148 Pcs Cable Management Organizer Kit Cable Sleeve Split Self Adhesive Wire Clips Holder Cables Ties Cord Hub Storage
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
273Pcs Cable Management kit Cord Wire Organizer Cable Ties Sleeve Split Adhesive Clips Holder Keep Your Computer Tv Cables Tidy
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.
eBay
282/352/367 Pcs Cable Organizer Management kit Cable Ties Sleeve Split Adhesive Clips Holder Keep Your Computer Tv Cables Tidy
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.
eBay
UGREEN USB C Link Cable for Quest 2 Headset VR USB3.2 Gen1 High Speed 5Gbps 5m Charging Cable 60W USB C to Type C Link Cable
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
Portable Power Bank Kit DIY 2x18650 DIY Fast Charging- Power Bank Shell Case Box 10x4x2cm/4x1.6x1-inch 2.1A5V Compact-
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
Universal Mobile Phone Charging Port Dust Cleaner Kit Anti-lost Dustplug Cleaning Brush For iPhone Xiaomi Samsung Cleaner
Aliexpress UK