The EcoFlow DELTA Pro line spans 2 generations and 3 models, from the EcoFlow DELTA Pro to the EcoFlow DELTA Pro Ultra and EcoFlow DELTA Pro 3. Ratings run from 3.7/5 to 3.8/5. All of them are still sold.
Each column is a release year, oldest on the left; each row follows one model into the model that replaced it, and a long arrow spans the time between them. Ratings are out of 5 and compare each model against its own size.
More from EcoFlow: every EcoFlow product ranked.
Generation by generation
DELTA Pro to DELTA Pro 3
The EcoFlow DELTA Pro 3 replaced the EcoFlow DELTA Pro. It rates higher, 3.8/5 against 3.7/5.
| Spec | DELTA Pro | DELTA Pro 3 |
|---|---|---|
| Capacity | 3,600 Wh | 4,096 Wh |
| AC output | 3,600 W | 4,000 W |
| Weight | 99 lb | 113.5 lb |
| Price / Wh | $0.50 | $0.68 |