The RV off-grid power field guide

Run your RV on sunlight.

Solar panels, kits, generators and the gear in between — tested thinking, plain language, zero sales pitch. Built for people who'd rather boondock than plug in.

4parts in every system
0fuel burned by the sun
1roof is all you need

What we cover

Four corners of RV power. Every guide starts from a real buyer question and ends with a clear recommendation.

01

Solar panel kits

Matched sets — panels, controller, wiring — that take the guesswork out of your first install.

02

Panels by wattage

100W to 400W and beyond — what each size can realistically run on your rig.

03

Generators & power stations

Quiet inverter generators and portable stations for cloudy days and heavy loads.

04

Batteries, inverters & controllers

The supporting cast that decides whether your system actually performs.

Interactive tool

How much solar do you need?

Tick what you run and drag the hours. We do the maths.

typical 30W5h/day
typical 20W4h/day
typical 60W4h/day
typical 60W10h/day
typical 30W6h/day
typical 80W2h/day
typical 60W1h/day
typical 1000W0.5h/day
typical 800W0.5h/day
typical 1500W3h/day
1,250 Wh
your daily power use
Solar panels~300W
Battery bank (12V)~125 Ah

Rough starting point: assumes 5 peak sun hours and a 25% margin for losses and cloudy days. Always check your appliance labels — real draw varies by model.

How RV solar actually works

Four jobs, four components. Understand this chain and every buying decision gets easier.

1

Collect

Panels on your roof turn sunlight into DC electricity. More watts, more harvest — but shade is the silent killer, so placement matters as much as size.

2

Regulate

The charge controller tames panel output into clean, battery-safe charging. MPPT controllers squeeze noticeably more from the same panels than basic PWM ones.

3

Store

Batteries bank power for nights and cloudy stretches. Modern LiFePO4 batteries store far more usable energy than old lead-acid for the same weight.

4

Convert

The inverter turns stored DC into the AC your outlets, microwave and laptop chargers expect. Size it to your biggest single load, not your total.

In-depth buying guides are on the way

We're building this site one thoroughly researched guide at a time — starting with the wattage questions RVers actually ask.

How we research