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RV Solar Guides, Sizing & Gear

Practical RV Solar Advice for Real-World Setups

Learn how to size your battery bank, choose the right solar gear, and build a reliable RV power system with step-by-step guides, comparisons, and practical recommendations.

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Portable solar panel with extension cable at a desert boondocking campsite

Latest Guides

Explore the latest RV solar guides, sizing advice, and gear recommendations.

MPPT and PWM solar charge controllers mounted side by side in RV

MPPT vs PWM for RV Solar: Real-World Difference

Best Overall: Victron SmartSolar MPPT — Full-time boondockers who want maximum daily harvest and room to grow the array

RV battery monitor shunt wired to lithium battery bank negative terminal

Best RV Battery Monitor Shunt: Top Picks & Buyer Guide

Best Overall: Victron SmartShunt — RVers who want a proven, widely supported shunt monitor with a large user community.

MPPT charge controller mounted in camper van with neat solar wiring

How to Connect Solar Panels to an MPPT Controller

Check input limits first: Verify your array's cold-weather open-circuit voltage stays within the controller's maximum input rating.

What You’ll Find Here

Sun Amp RV focuses on RV solar sizing, batteries, wiring, components, and practical buying advice. The goal is simple: help RV owners understand what they need and avoid expensive mistakes.