Easy
Campervan Leisure Battery Wiring — 12V System Guide
A complete guide to wiring a 12V leisure battery system in a campervan — from choosing the right battery and B2B charger to correctly sizing cables, fuses, and solar input.
4–8 hoursEasy
What This Is
advanced
Tools & Parts Required
- Multimeter
- Crimping tool and terminals
- Cable stripper
- Drill and bits
- Fuse holders
- Marine-grade 12V cable (various gauges)
- Bus bars or distribution board
- Heat shrink tubing
- Cable ties and conduit
Step-by-Step Instructions
Safety Warnings
- Disconnect the battery before working on any wiring
- Never work on live circuits
- All gas appliances must be on a separate, dedicated circuit with appropriate fusing
- Install a carbon monoxide alarm and a smoke detector in the living area
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