Power Station Comparison Chart

Last updated: July 12, 2026 · Prices refreshed daily

This chart compares 0+ portable power stations, expansion batteries, solar panels, and bundles from every major brand. Each product is ranked by cost per watt-hour — the price divided by battery capacity — so you can instantly see which models offer the best value. Filter by size category, search by brand, or toggle deals-only mode to find discounted units. Prices are pulled directly from manufacturer websites and updated daily.

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Prices updated regularly. We may earn a commission from purchases made through our links at no extra cost to you.

About This Data

WhichWatts is an independent comparison platform. We are not owned by or affiliated with any power station manufacturer.

Data sources: Product prices and specifications are collected directly from manufacturer websites including EcoFlow, Bluetti, Jackery, Anker, Fossibot, Goal Zero, Zendure, and 20+ other brands. We cover the US, UK, EU, AU, and CA markets.

Update frequency: Prices are refreshed daily. New products are added as manufacturers release them.

Cost per watt-hour: This is our primary value metric. It is calculated by dividing the current price by the battery capacity in watt-hours. A lower value means you pay less per unit of stored energy. This metric allows fair comparison between power stations of different sizes.

Affiliate disclosure: We may earn a commission from purchases made through our links. This never affects our rankings or cost-per-watt calculations. Products are always sorted by objective data.

Frequently Asked Questions

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 $0.50/Wh. This metric lets you compare power stations of different sizes on equal footing.
What is the best value portable power station?
The best value is determined by cost per watt-hour ($/Wh). Our chart sorts by this metric by default. LiFePO4 battery models often offer better long-term value due to their longevity.
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.

Need Help Choosing?

Check out our buying guides or compare specific models side-by-side.

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