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
For Makita MT 18V Li-ion Battery Adapter DIY Battery Cable Connector Output Adapter BL1830 BL1840 BL1850 For Electric Drills
Aliexpress UK
1 Positive Battery Cable Fuse Connector. For Land For Rover for Range. For Land Rover For Evoque. For Land Rover For Discovery 4 3 2. For Land Rover For 2. Colour: Silver. Due to various factors such as brightness and light brightness, the actual color of the item may be slightly different from the image displayed on the website.
eBay
XT90 Male Female Connector XT90S Plug Pigtails with 10CM 100MM 12AWG Silicone Wire RC Battery Cable Wire for RC Lipo Battery
Aliexpress UK
IVECO DAILY MK4 MK5. IVECO Genuine OE. MAKE / MODEL.
eBay
Brand New Li-ion AA Rechargeable Batteries USB Lithium-ion 3800mAh 1.5V AA Rechargeable Batteries+ Data Cable and Storage Box
Aliexpress UK
Fit for BMW models: E90, E92, E93, E60. Includes fuse protection for enhanced safety. Negative battery bonding wire designed for specific BMW models. Type: Negative Battery Cable. 1 x Battery Negative Bonding Wire.
eBay
New 9V Rechargeable Li-ion Battery 9800mAh Long Lasting with Cable for Smoke Detector, Alarms, Microphone battery pack
Aliexpress UK
They can be used with 12V car batteries, making them highly for versatile for many applications. Robust : Built to last, these 12v battery connectors are made of high-quality brass. Their thick design makes them for large-caliber cables, while robust performance under various conditions.
eBay
New 1.5V AA 13600mAh+AAA 6800mAh Lithium rechargeable Battery,USB Fast Charging Li-ion Battery , 2000 Cycles with USB- C Cable
Aliexpress UK
REMOVED FROM A CAR IN OUR YARD THAT WE ARE BREAKING. LOTS OF OTHER PARTS AVAILABLE. Langfords Car Spares Semley Near Shaftesbury SP7 9AQ.
eBay
K&F CONCEPT 6700mAh Mini V Mount Battery 14.8V Battery TFT Display 240W Charging Cable for Camera Camcorder 99Wh Fast Charging
Aliexpress UK
Part codes PA6TG35. Car model / Body type Mitsubishi Outlander / SUV. Positive battery cable. VIEW OTHER PARTS FROM THIS CATEGORY -Positive battery cable. Years of car 2011. You will receive the item that is shown in the pictures!
eBay
Hot Sale DIY Battery Cable Battery Adapter Connector Output Adapter For 18V Li-ion BL1830 BL1840 BL1850 For Electric Drills
Aliexpress UK
1 30CM 50Amp connector + M8 + fuse 10A. - Extension cord length: 300mm. - Waterproof/weatherproof rubber seal to for ensure good with cable. - Product: 10AWG 50Amp Extension Cable. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture.
eBay
NEW 100% for Dyson V8 21.6V 12800mAh Replacement Battery for Dyson V8 Absolute Cord-Free Vacuum Handheld Vacuum Cleaner Battery
Aliexpress UK