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EcoFlow Delta Pro
#10 of 13 in extra large · #48 of 56 overall · all EcoFlow models
2.9
3.6kWh workhorse with 30A outlet and massive expansion; heavy at 99 lb.
3,600 Whcapacity
3,600 Wcontinuous output
LiFePO43,500 cycles
99.0 lbweight
$2,499street price, being verified
Runs a 500 W load about 6.1 h$694 per kWh of capacityFull AC recharge in about 2.3 hExpands to 25,000 Wh
Ratings
Includes independent measurements from OutdoorGearLab.
Each rating places this unit among the others on a 0.5–5 scale, within its size class for the measures that scale with size and across the whole catalog for the rest. Weighted together they give the overall 2.9. Formula and weights.
Specifications
- Capacity
- 3,600 Wh
- Max expanded
- 25,000 Wh
- AC output
- 3,600 W continuous
- Surge
- 7,200 W
- Chemistry
- LiFePO4
- Cycle rating
- 3,500
- Weight
- 99.0 lb
- AC recharge
- 1,800 W
- Solar input
- 1,600 W
- UPS switchover
- 30 ms
- AC outlets
- 5
- USB-C PD max
- 100 W
- 240V output
- No
- App
- Yes
- Price per kWh
- $694
- Released
- 2021
Independent measurements
| Metric | Value | Source |
|---|---|---|
| Usable capacity, % of rated Roundup comparison table; 2950 Wh delivered of 3600 rated through AC outlets (individual review text says 3060 Wh / 85%) | 82 % | OutdoorGearLab 2026-07 |
| AC recharge time Roundup table: 2.6 h from AC at 1412 Wh/h average | 156 min | OutdoorGearLab 2026-07 |
How it compares with its neighbors
| # | Model | Wh | AC W | Chem. | Cycles | lb | AC in W | Solar W | $/kWh | Score |
|---|---|---|---|---|---|---|---|---|---|---|
| 7 | EcoFlow Delta Pro 3 | 4,096 | 4,000 | LiFePO4 | 4,000 | 113.5 | 1,800 | 2,600 | 732 | 3.2 |
| 8 | Bluetti AC300 + B300 | 3,072 | 3,000 | LiFePO4 | 3,500 | 127.0 | 3,000 | 2,400 | 716 | 3.1 |
| 9 | EcoFlow Delta Pro Ultra | 6,144 | 7,200 | LiFePO4 | 3,500 | 180.0 | 3,800 | 5,600 | 814 | 3.0 |
| 10 | EcoFlow Delta Pro | 3,600 | 3,600 | LiFePO4 | 3,500 | 99.0 | 1,800 | 1,600 | 694 | 2.9 |
| 11 | Jackery Explorer 3000 Pro | 3,024 | 3,000 | NMC | 2,000 | 63.9 | 1,400 | 1,200 | 661 | 2.8 |
| 12 | Goal Zero Yeti Pro 4000 | 3,993 | 3,600 | LiFePO4 | 4,000 | 114.0 | 1,200 | 3,000 | 876 | 2.6 |
| 13 | Goal Zero Yeti 3000X | 3,032 | 2,000 | NMC | 500 | 69.8 | 230 | 600 | 824 | 2.0 |