Portable power station comparison chart
Direct answer: rank 500+ power stations and solar generators by cost per watt-hour — price divided by battery capacity — so you can see true value beyond the sticker price. Search by brand, filter by size, or sort by price and discounts. Prices refresh daily.
Prices refreshed daily · Last updated September 2026
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Prices updated regularly. We may earn a commission from purchases made through our links at no extra cost to you.
How we compare prices
- Cost per watt-hour is price divided by capacity. Lower is better value.
- Prices refresh daily, but retailers can change them at any time.
- Sort by capacity, output, or brand to match your use case, not just price.
- Check weight and ports before choosing, especially for camping or RVs.
We pull current retail prices for 500+ models and compare them by cost per watt-hour. Because prices and promotions change, we always link to the live product page so you can verify the final price and shipping terms at checkout. Our methodology references public energy data from the U.S. Energy Information Administration, the U.S. Department of Energy and the National Renewable Energy Laboratory. Last reviewed: August 2026.
About this data
WhichWatts is an independent comparison platform. We are not owned by or affiliated with any power station manufacturer. Product prices and specifications are collected directly from manufacturer websites including EcoFlow, Bluetti, Jackery, Anker, Fossibot, Goal Zero, Zendure, and 20+ other brands, covering the US, UK, EU, AU, and CA markets.
Cost per watt-hour is our primary value metric: the current price divided by battery capacity in watt-hours. A lower value means you pay less per unit of stored energy, which allows fair comparison between power stations of different sizes. We may earn a commission from purchases made through our links — this never affects our rankings or cost-per-watt calculations, and products are always sorted by objective data.
Comparison chart FAQ
How do I compare portable power stations?
Use our comparison chart to evaluate portable power stations side by side. Filter by capacity, price, brand, and battery type. Sort by cost per watt-hour to find the best value. You can also compare specific models head-to-head using our comparison tool.
What is cost per watt?
Cost per watt-hour ($/Wh) is the price of a power station divided by its battery capacity. It measures how much you pay for each unit of stored energy. A lower cost per watt-hour means better value. For example, a $500 power station with 1000Wh capacity costs $0.50/Wh. This metric lets you compare power stations of different sizes on equal footing.
What is the best value portable power station?
Cost per watt-hour ($/Wh) is a useful shortlist metric, not a universal winner. After sorting, check usable capacity, continuous and peak output, battery chemistry, solar input, weight, warranty, and current US price.
How do I compare portable power station prices?
Compare by price, capacity (Wh), output power (W), and cost per Wh. Use the category tabs to switch between power stations, batteries, solar panels, and bundles. Use the search and filters to narrow down your options.
What capacity power station do I need?
For camping and light use: 300-500Wh. For extended trips or small appliances: 500-1500Wh. For home backup: 1500-3000Wh. For whole-home backup: 3000Wh and above.
Are expansion batteries worth it?
Expansion batteries let you increase your power station's capacity without buying a new unit. They're cost-effective if you already own a compatible power station and need more storage.
How much does a power station cost?
Portable power stations typically range from under $200 for compact units to several thousand dollars for large home-backup systems. Compare capacity, output, battery chemistry, and cost per Wh rather than price alone.
What is a good budget power station?
A good budget power station should have the output you need, a meaningful safety margin, and a verifiable warranty. Under $500, compare current US models by capacity, output, chemistry, weight, warranty, and cost per Wh on our budget rankings.
What is a 2kWh power station?
A 2kWh power station stores about 2,000 watt-hours and is commonly used for essential home backup, RVs, and longer camping trips. Compare 2kWh models by inverter output, solar input, weight, expansion, and price.
Need help choosing? Check our buying guides or compare specific models side-by-side.