WattPicks does not test power stations — this is a capacity index, not a review. Sorted by published cost per watt-hour when a list price exists; missing prices sort last. Specs are manufacturer claims — see methodology.

EF ECOFLOW DELTA Pro portable power station
EF ECOFLOW

DELTA Pro

3.60 kWh4.5 kW AC99.0 lb

$2,599 · $0.72/Wh