Off-grid power for wherever the road takes you
From keeping cool to staying charged, we've got your van life and campervan power covered.
BROWSE RV & CAMPERVAN SYSTEM PRODUCTS
Whether it's a weekend getaway or full-time van life, Merlin Power's off-grid products keep your campervan or motorhome running exactly how you need it.
Want to keep cool or cosy up? Our battery monitors and split charging systems give you precise control over your batteries, cutting generator runtime and fuel costs while still running the air con through the night. And with flat battery protection, you'll never wake up to a dead battery — or a shortened battery lifespan.
Big on on-board entertainment? Our range keeps your phones, gaming devices, TVs, audio systems, and laptops powered wherever you are.
Common applications
Weekend campervans
Reliable, worry-free auxiliary power for lighting, a fridge, and charging devices.
Van-life living
A complete off-grid system to power everything from cooking to entertainment.
Van conversions
Bespoke electrical builds designed for self-build or professionally converted vans.
Touring motorhomes
Full power system to give you the freedom to extend your time off-site without hookup.
Case studies
Real systems, real results.
How To Design A 12V / 24V / 48V Power System: The Complete Guide
Selecting the right system voltage is one of the most consequential decisions in any off-grid power build, shaping everything from wiring costs to long-term scalability. This guide breaks down how voltage affects current draw, component sizing, efficiency, and safety, giving readers a clear framework for matching voltage to their specific power needs.
Read case study →Transforming a Lifeboat Into a Home - the Orla Project
Boatbuilder Johnny Sturgeon converted a decommissioned oil-rig lifeboat into a fully liveable floating home, and Merlin Power supplied the electrical system behind it.
Read case study →Why Merlin Power for RVs & Campervans?
Full system coverage
Every component, one supplier.
Expert system design
Our engineers specify the right setup for your load and location.
Premium brands only
Fullriver, TBS, Merlin & more - tested, trusted, UK-Stocked.
UK technical support
In-house specialists to help you get the most from your system.
RV & Campervan Products
Batteries
Full Throttle AGM starting and Fullriver AGM deep cycle — reliable power for every job on board.
Shop batteriesSolar panels
Rigid, flexible, and SlimEdge panels to keep your batteries charged.
Shop panelsSplit Charging
SmartBank Pro and DC-DC Charger systems to charge your leisure battery from the alternator while driving without compromising your start battery.
Shop split chargingFlat Battery Protection
PowerGuard Pro — never be stranded by a flat battery ever again.
Shop flat battery protectionInverters & chargers
Run household appliances and charge from shore power with sinewave inverters and AC chargers.
Shop invertersBattery monitors
SmartGauge and TBS monitors — know exactly how much power you have in your battery.
Shop monitorsNot sure where to start?
Tell us your application and load requirements — we'll spec the right system.