RV Power and Upfit Guides
Plain-language guides from the installers at Momentum Upfitters in Salt Lake City and Fort Collins. Learn how RV power works, what your factory prep includes, and what a system really costs.
Jump to a guide: Solar basics | Inverter prep | Solar prep | 30 vs 50 amp | System sizing | A/C options
Getting Started with RV Power
New to RV power? Start here.
Basics of RV Solar
How RV solar works, from panels and charge controllers to inverters and lithium batteries.
Read the guide
What Off-Grid System Do I Need?
Size your batteries, inverter and solar to the way you actually camp.
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Why Victron?
Why we build with Victron: reliable parts, remote monitoring and room to grow.
Read the guideFactory Prep and Shore Power
Find out what your RV came with, and what it can handle.
What Does an "Inverter-Prepped" RV Mean?
What the inverter prep wiring does, which inverter/charger fits it, and the mistakes to avoid.
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What Does "Solar Prep" Mean on an RV?
Roof and side ports explained, plus why we replace Furrion and Zamp roof connectors.
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30 Amp vs 50 Amp RV Service
How to tell which you have, how much power each gives, and how to use adapters safely.
Read the guideCosts and Comparisons
Real numbers to help you decide.
Generator vs Solar + Generator Cost
Fuel, upkeep and noise compared, with a 3 to 5 year view of what each setup costs.
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Off-Grid vs Campground Camping Cost
Campground fees compared with off-grid camping, and how long a power system takes to pay for itself.
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Mini Split vs Rooftop RV A/C
Efficiency, install work, pros and cons, and which one we'd choose.
Read the guideVehicle Upgrades and Product News
Specific fixes for common rigs, plus what's new in the shop.
Roadtrek KS2 Battery Replacement
Replace failing Roadtrek and Hymer KS2 batteries with 300Ah Epoch lithium.
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Victron Orion XS 12/12-70A: What's New
How the new 70A Orion XS differs from the 50A, and which one fits your rig.
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Webasto Air Top Pro 25 Pre-Order
Webasto's new heater is available to pre-order now.
Read the postReady for an Upgrade?
Our Complete RV Power Packages include solar, lithium and a Victron inverter, installed at fixed prices in Salt Lake City and Fort Collins. Want solar and keep your batteries? Solar-only upgrades start at about $1,800.
Compare PackagesSolar-Only UpgradesAsk a Question
Looking for heating or cooling? See our diesel and gasoline heater installs and high-efficiency A/C upgrades.