EcoFlow
RIVER 2 Pro
As of July 23, 2026, the EcoFlow RIVER 2 Pro delivered 620 Wh in OutdoorGearLab's testing, 81% of its 768 Wh rating, or $0.60 per usable Wh at $369.
Usable Wh (measured)
620
81% of the 768 Wh box rating
$ per usable Wh
$0.60
Price
$369
EcoFlow store, Nov 13, 2026; sale price
Specs
| Usable Wh (measured) | 620 |
|---|---|
| Rated (box) Wh | 768 |
| Rated AC output | 800 W |
| Weight | 18.4 lb |
| Chemistry | LiFePO4 |
| Price | $369 (EcoFlow store, Nov 13, 2026; sale price) |
| $ per usable Wh | $0.60 |
Where the usable Wh comes from
OutdoorGearLab, updated July 23, 2026.
Measured AC energy output from 100% charge to empty at ~80% of rated max wattage (light-bar load).