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Portable solar power, explained

Choose, size and use a solar generator with confidence

Plain-English guides to portable power stations and solar generators: how much capacity you need, which battery chemistry to pick, how fast solar panels will recharge it and how to use it safely.

Work out what you need

Add up your loads

List the devices you want to run and their wattage to find the output you need.

Estimate runtime

Battery capacity in watt-hours divided by your load, minus losses, gives a realistic runtime.

Plan the recharge

Panel wattage, sun hours and the input limit decide how fast you can refill.

Guides by topic

From the basics of how solar generators work to troubleshooting a unit that will not charge.

Solar Generators

What solar generators and portable power stations are, the main types, and which kind fits portable, home, off-grid, emergency, RV and camping use.

Solar Generator Buying Guides

How to choose a solar generator for your needs, with criteria explained: capacity, output, battery type, solar input and expandability.

Solar Generator Brands

Overviews of major portable power station brands: product lines, battery chemistry, expansion and warranty, from published information.

Power Capacity

Solar generators by output class, from 300W to 5000W and up, with what each size can realistically run.

Battery Technology

How solar generator batteries work: LiFePO4 versus lithium-ion, capacity, cycle life, expansion and replacement.

Solar Charging

Charging a solar generator from the sun: panels, compatibility, input limits, charging time and connecting panels in series or parallel.

Inverter & Output

Inverters and outputs explained: pure sine wave, AC, USB and DC ports, surge power and continuous power.

Solar Generator Use Cases

Using a solar generator for specific needs: home backup, refrigerators, CPAP, RVs, camping, emergencies, off-grid living and tailgating.

Solar Generator Comparisons

Comparisons between brands, power stations and battery types using published specifications.

Solar Generator How-To

Step-by-step guides: how solar generators work, sizing, charging, connecting panels, runtime, maintenance and storage.

Solar Generator Calculators & Guides

Free calculators and worksheets for wattage, battery runtime, solar panel sizing, power consumption and battery capacity.

Solar Generator Problems

Troubleshooting solar generators: not charging, slow charging, battery not holding charge, inverter issues, overheating and error codes.

Latest guides

How we write our guides

SolarGeneratorGuide.org is an independent guide. We explain manufacturer specifications and electrical basics; we do not run hands-on tests or show live prices or customer ratings. Some links go to Amazon, where we may earn a commission.