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
BETAFPV 6 Ports 1S Battery Charger Lipo-Battery Type-C Charger BT2.0&PH2.0 FPV Cetus Racing Drone Accessories
Aliexpress UK
6way Fuse Box with 12 fuse blades & Label Stickers. 2 x MTA Midi Fuse holders. Battery capacity: 18 - 250Ah. Heat shrink to protect all the connections. Compatible with Multiple battery types : AGM, GEL, Flooded, and Lithium.
eBay
PD65W 45W Super Fast Charging DIY Power Bank Case Weld-Free 8-Cell 18650 Battery Storage Box Daul USB Type C Output
Aliexpress UK
Adaptive 3-phase Charging : Bulk, Boost, and Float. Maximum solar input current: 20A. Compatible with Multiple battery types : AGM, GEL, Flooded, and Lithium. 1 x 500mm RED 70amp READY MADE cable Relay to fuse holder lead.
eBay
4Pcs/Lot Car Stickers For Volkswagen VW Transporter T4 T5 T6 Multivan Caravelle Camper Van Motorhome DIY Decals Accessories
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
4Pcs/Lot Car Stickers Motorhome Camper Van For Volkswagen VW Transporter T4 T5 T6 Multivan Caravelle DIY Decals Accessories
Aliexpress UK
The Gas Bottle Battery Retaining Strap & Brackets 1250mm is the ideal solution for securely fastening your gas bottle in place. 1 x 1250mm x 18mm strap. 2 x Fixing brackets.
eBay
10Pcs Camper Accessories Car Fastener Hood Rod Holder Clip for Pathfinder Nissan Navara Skyline X-Trail T30 Car Interior
Aliexpress UK
Features amanual rotary knob for quick, tool-free operation. 1 × Car Battery Disconnect Switch (New). Constructed fromhigh-quality zinc alloy, ensuring low resistance, minimal power loss, and excellent conductivity.
eBay
Car Door Stickers Motorhome Camper Van For Ford Transit MK6 MK7 MK8 Tuning Accessories Compass Graphics Vinyl Film Decals
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
Car Sticker 2PCS Mountain Adventurers Compass Graphics Decoration Rv Camper Truck Truck Door Waist Line Hood Vinyl Decal,56*30CM
Aliexpress UK
Model SFLN 85AHC100. AUTOLITE 85AH LEISURE BATTERY. Ampere-Hours @(C20) 70. This powerful Autolite battery is designed for long-lasting performance in leisure, marine, and solar applications. Is this battery suitable for caravans or solar?.
eBay
Car Cup Holder Expander Adjustable Base Beverage Bottle Holder Anti-slip Auto Drink Rack Stand for Auto Caravan Camper
Aliexpress UK