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54 models · specs as of Sep 2026

How long will your power station last?

Free calculators for outages, camping and RVs. Find out how long any power station runs your fridge, CPAP or sump pump, which size you actually need, and how fast solar refills it.

Runtime calculator What size do I need?

Quick check

About 15 hoursnonstop, at 58 W average

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Manufacturer specs, linkedEvery model page cites the maker's own product pages and manuals.
Open mathOur formulas and assumptions are published in full, and you can change them in every tool.
Every model includedWe list models whether or not they pay us a commission. Rankings come from the specs only.

Calculators

Runtime calculator

How long will your power station run a fridge, CPAP, sump pump or anything else? Checks surge too.

What size do I need?

List what you want to power and for how long. Get the models that can handle it, smallest first.

Solar charging calculator

Charging time from your panels, plus a wiring check for voltage and current limits.

Real-world runtime simulator

Spec-sheet math vs a simulation that adds inverter idle draw and cold weather. Simulated, not tested.

Winter outage simulator

How long a power station keeps a gas furnace running at your outdoor temperature and thermostat. Simulated, not tested.

Generator vs power station

What each costs over the years in price, gas or electricity and upkeep, and what each needs for a long outage.

Compare models

Put up to three power stations side by side, with runtimes for everyday appliances.

What can a power station run?

Typical runtime on a 1,000 Wh power station, one device at a time. Open one to see every model.

Popular power stations

See all 54 models from EcoFlow, Jackery, BLUETTI, Anker SOLIX, DJI and Goal Zero, or browse by size: 300 Wh, 500 Wh, 1,000 Wh, 1,500 Wh, 2,000 Wh, 3,000 Wh and up.

Power stations by use

Newest models

What the specs of all 54 models add up to →