Roundup
The Best Budget Power Stations Under $700 (2026) — Cost Per Usable Watt-Hour
Cheap is not the same as good value. Ranked on list price divided by independently measured usable capacity, the Bluetti AC70 is cheapest per watt-hour and the Anker SOLIX C1000 Gen 2 is the best buy.
Updated 5 September 2026
Review
EcoFlow River 2 Pro Review — The Lightest Unit Here, and the Least Efficient
The EcoFlow River 2 Pro weighs 18.4 lb and recharges in a measured 1 h 18. It also returned just 81% of its rated capacity, the weakest efficiency of any unit we cover.
Updated 5 September 2026