Practical guides, reviews, and setup instructions for powering campervans and RVs. Batteries, inverters, solar gear and complete energy systems.
RV battery runtime anxiety usually starts when the monitor drops faster than expected. Learn the sizing mistake that causes it and how to estimate runtime before buying.
DC-DC Battery to Battery Charger for RV: What It Is and the Best Options in 2026 If you charge your RV house battery from your vehicle’s alternator while driving, you’re probably losing most of that charging potential — and possibly damaging your batteries in the process. A DC-DC battery to battery charger fixes both problems. … Read more
Best 12V Compressor Fridge for RV Camping in 2026 (Tested & Ranked) A 12V compressor fridge is one of the best upgrades you can make to your RV or van. Unlike propane absorption fridges, a 12V compressor model runs efficiently off your battery bank, keeps food consistently cold, and works in any orientation. This guide … Read more
Compare the best LiFePO4 RV batteries for capacity, BMS protection, cycle life, warranty, price, and off-grid RV power reliability.
RV Boondocking Power Setup: How to Stay Off-Grid for 7+ Days Most RVers who try boondocking for the first time come back after two days. Not because they didn’t enjoy it — because they ran out of power. The difference between a 2-day boondocker and a 7+ day boondocker isn’t luck or a bigger rig. … Read more
Best RV Generators in 2026: Honda vs Champion vs Westinghouse (Ranked & Tested) A good RV generator keeps your air conditioner running, charges your batteries overnight, and gives you a safety net when solar isn’t enough. But not all generators are worth putting in your rig. This guide ranks the best RV generators in 2026 … Read more
How to Size an Inverter for Your RV: Wattage Guide & Calculator Buying an undersized inverter is one of the most common and frustrating RV electrical mistakes. You install it, plug in your microwave, and the inverter shuts down under load. Getting the right size upfront takes 15 minutes of calculation — this guide walks … Read more
RV Battery Charging Methods: Solar, Shore Power & Alternator Explained Your RV batteries can be recharged four different ways: solar panels, shore power (via your converter or inverter charger), your tow vehicle or motorhome alternator, and a generator. Most well-equipped RVers use two or three of these in combination. Understanding how each method works — … Read more
Affiliate Disclosure: This article contains affiliate links. If you purchase through these links, RVGeo may earn a small commission at no extra cost to you. We only recommend products we have tested or thoroughly researched. MPPT vs PWM Solar Charge Controller: Which Does Your RV Need? The charge controller sits between your solar panels and … Read more
RV Power Converter vs Inverter: Key Differences Every Owner Should Know Two of the most confused terms in RV electrical systems — converter and inverter — do opposite jobs. Mix them up and you’ll either misdiagnose a problem, buy the wrong component, or wire your system incorrectly. Once you understand what each device actually does, … Read more