I know my devices
Turn watts and hours into daily watt-hours. Our calculator keeps every assumption visible.
Open calculatorPRACTICAL GUIDES · UNITED STATES
Portable solar power, without the guesswork
Start with the devices you need to power. Estimate daily energy use, compare the right kind of system, then check every missing component before you buy.
Real Wh · compatibility · informed buying
FROM SUNLIGHT TO YOUR DEVICES
01 Calculate your energy use02 Compare complete systems03 Check specs before buying
START HERE
Choose your starting point
I need energy storage
Compare a LiFePO4 battery with a portable power station on wiring, outlets and full system cost.
Compare solutionsI want solar charging
Learn how panel ratings, solar input limits and connectors affect a real setup.
Choose a panelTHE COMPLETE SYSTEM
Two parts, one complete decision
A panel generates energy; a battery or power station stores it. A good purchase starts with matching the electrical specifications to the job.
PRACTICAL QUESTIONS
Guides for your own numbers
Worked examples, formulas and checks before choosing equipment.
01How much battery does an RV need? Calculate Wh and backup days02How much energy does a 200 W solar panel produce in a day?03What battery does an RV fridge need? Measure before buying04500 Wh vs 1,000 Wh power station: which size fits your RV trip?05Off-grid RV power checklist: plan your energy before departure06Is a solar panel compatible with my power station?
OUR APPROACH
Specifications over slogans.
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Our research method