White motorhome with a row of roof solar panels parked among red-rock mesas at golden hour

Guides

Straight answers about RV power

Six guides built from the Megawatt calculators and the Fleetwood manuals. Every number has a source, and every product is there for a reason.

Read the solar kit guide Plan my solar

Start here

The one most people need first

Black solar panels on a white RV roof catching low golden-hour sun

Solar2 min read

How to choose an RV solar kit

Start with your loads, measure the roof, then pick from the four packs the Megawatt calculator links.

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Library

Every guide

Filter by topic. Each guide links the calculator it leans on, so you can check the math yourself.

Gloved hands tightening a mount bolt on new solar panels on a motorhome roof with mountains behind

Fleetwood2 min read

A Fleetwood solar upgrade

Where the official manuals are, what they say about the electrical system, and what nobody publishes about a Bounder roof.

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Travel trailer boondocking among juniper trees at sunset with a portable solar panel propped toward the sun

Power2 min read

Boondocking power

Dry-camp habits from the Fleetwood Class A manual, plus the load math behind the Megawatt battery calculator.

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Two dark grey lithium batteries strapped down in an open RV storage bay

Batteries2 min read

Lithium vs AGM, without a fake scorecard

What the Megawatt battery calculator assumes about lithium, and the AGM questions it leaves to the battery maker.

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Class A motorhome parked on a concrete pad beside a red barn on a frosty autumn morning

Batteries2 min read

RV battery maintenance

The battery care the 2019 Fleetwood manual actually spells out, and where it sends you for the rest.

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Motorhome with warm glowing windows parked alone in the desert under the Milky Way

Power2 min read

Sizing an inverter

Turn the battery calculator's peak watts into an inverter target, and see what that number leaves out.

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Last reviewed October 1, 2026. Got a correction? Email Hello@MegaWattRV.com.

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