Portable power station buyer guides and sizing references
Every guide and sizing reference on Power Portable is computed from verified manufacturer manuals, U.S. Department of Energy appliance wattages, EIA electricity and outage statistics, and NREL PVWatts V8 solar irradiance data. Picks come from manufacturer specs and current prices. We do not run hands-on tests.
Core buyer guides
- Best portable power stations ranked by verified price per Wh and specs : See the lowest cost-per-watt-hour portable power stations overall, under $500, $1,000, and $2,000, lowest lifetime kWh cost, highest Wh/lb, and home backup.
- What size portable power station do I need? Step-by-step sizing math : Calculate what size portable power station you need in watt-hours (Wh) and continuous watts (W) with worked appliance examples and our runtime calculator.
- LiFePO4 vs lithium-ion (NMC) portable power stations: cycle life and lifetime cost : Compare LiFePO4 (LFP) vs NMC lithium-ion portable power stations by rated cycle life (3,000-6,000 vs 500 cycles), thermal safety, weight, and cost per kWh.
- Watts vs watt-hours (W vs Wh) on a portable power station explained : Understand the difference between continuous output watts (W) and battery capacity watt-hours (Wh) on a portable power station, with band tables and examples.
- What is a solar generator? Power station plus panel bundles and recharge math : A solar generator is a portable power station paired with solar panels. Compare verified solar generator bundles by $/Wh and calculate real state refill times.
- Battery powered generator (power station) vs gas generator: cost per kWh and safety : Compare a battery portable power station vs a gasoline generator by grid and fuel cost per kWh, indoor carbon monoxide safety (CDC/CPSC), and outage runtime.
- How long will a portable power station run a refrigerator? DOE EnergyGuide math : Find out how long a 500 Wh, 1,000 Wh, 2,000 Wh, or 3,000 Wh power station runs a full-size refrigerator or chest freezer using U.S. DOE daily kWh data.
- UL 2743 safety standard for portable power stations explained : Learn what ANSI/CAN/UL 2743 certification covers on a portable power station, how 3rd Edition updates work, and which verified catalog models claim UL 2743.
- Can you take a portable power station on a plane? FAA 100 Wh and 160 Wh rules : Check official FAA PackSafe lithium battery watt-hour limits (100 Wh carry-on limit, 101-160 Wh with airline approval, >160 Wh banned) and qualifying models.
- Charging a portable power station below freezing: stated temperature limits by brand : Why LiFePO4 power stations lock out charging below 32 F (0 C), how discharging works down to -4 F (-20 C), and stated temperature ranges from brand manuals.
Interactive sizing and cost calculators
- Portable power station runtime and sizing calculator : Calculate required watt-hours, continuous watts, and surge watts from 30 DOE and ENERGY STAR appliance profiles.
- Solar generator recharge time calculator : Estimate solar refill days by US state and month using NREL PVWatts V8 reference arrays.
- Generator vs power station cost per kWh calculator : Compare state residential grid recharge rates against gasoline generator fuel cost per kilowatt-hour.
Use-case sizing guides
- Best portable power station for CPAP machines, ranked by $/Wh
- Best portable power station for refrigerators, ranked by $/Wh
- Best portable power station for home backup, ranked by $/Wh
- Best portable power station for camping, ranked by $/Wh
- Best portable power station for RVs, ranked by $/Wh
- Best portable power station for apartments, ranked by $/Wh
- Best portable power station for work sites and power tools, ranked by $/Wh
- Best portable power station for storm power outages, ranked by $/Wh