EcoFlow
DELTA Pro
As of July 23, 2026, the EcoFlow DELTA Pro delivered 2,950 Wh in OutdoorGearLab's testing, 82% of its 3,600 Wh rating, or $0.61 per usable Wh at $1,799.
Usable Wh (measured)
2,950
82% of the 3,600 Wh box rating
$ per usable Wh
$0.61
Price
$1,799
EcoFlow store, Nov 13, 2026; sale price, stock unclear
Specs
| Usable Wh (measured) | 2,950 |
|---|---|
| Rated (box) Wh | 3,600 |
| Rated AC output | 3,600 W |
| Weight | 97.5 lb |
| Chemistry | LiFePO4 |
| Price | $1,799 (EcoFlow store, Nov 13, 2026; sale price, stock unclear) |
| $ per usable Wh | $0.61 |
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).