Fit and tradeoffs
Who it's for
- Adding battery capacity later.
- Match the rated capacity and continuous output to devices you already own.
Who it's not for
- Backing up a whole house.
- Any job that needs more than the rated continuous watts.
Pros
- The battery can take an add-on pack.
- UPS switchover is about 10 ms.
- It can charge from a solar panel, up to 500 W.
Similar size
1,000–1,999 Wh, 4 models. This one is highlighted.
| Model | Capacity | Output | Score | List price | Price / Wh |
|---|---|---|---|---|---|
| Anker SOLIX C1000 Gen 2 | 1,024 Wh | 2,000 W | 8.8 | $699.99 | $0.68 / Wh |
| BLUETTI Elite 100 V2 | 1,024 Wh | 1,800 W | 8.9 | $489.00 | $0.48 / Wh |
| DJI Power 1000 | 1,024 Wh | 2,200 W | 8.8 | $699.00 | $0.68 / Wh |
| EcoFlow DELTA 3 | 1,024 Wh | 1,800 W | 8.8 | $629.00 | $0.61 / Wh |
Score
8.8 / 10, from the four rows below. Each row is scored from 7.0 to 10.
CapacityWeight 35%
8.8
1,024 Wh
Continuous outputWeight 25%
8.9
1,800 W
WeightWeight 20%
8.4
27.6 lb · 12.52 kg
List priceWeight 20%
9.3
$0.61 / Wh
How to read this: The number compares models on the same specs. It is not a mark of absolute quality. The weights are on How we review.
Battery test
How much battery another site measured, next to the brand's number. Their test may use a different load.
| Source | Usable capacity | Share of rated | Note |
|---|---|---|---|
| OutdoorGearLab | 870 Wh | 85% |
Runtime estimates
About how long EcoFlow DELTA 3 runs common devices. Estimate, not a measurement: rated watt-hours × 85% ÷ the device's watts. Temperature, startup, and conversion loss change the real time.
| Device | Runtime (estimate) |
|---|---|
| Small fan (10 W) | About 87 hours |
| Phone fast charge (15 W) | About 58 hours |
| CPAP (40 W) | About 21.8 hours |
| Car fridge (60 W) | About 14.5 hours |
| Laptop (65 W) | About 13.4 hours |
| Electric kettle (1,000 W) | About 0.9 hours |
Full specs
Published by the brand.
| Capacity | 1,024 Wh |
|---|---|
| Chemistry | LiFePO4 |
| Cycle life | 4000 to 80% |
| Battery test | 870 Wh · 85% of rated |
| Continuous output | 1,800 W |
|---|---|
| Peak output | 3,600 W |
| Ports | AC outlets x 6, USB-C x 2, USB-A x 2, 12V car outlet |
| Expandable | Yes |
| UPS | Yes, about 10 ms |
| Solar input | 500 W |
|---|---|
| Solar voltage | 11–60V (500W max) |
| AC input | 1,500 W |
| Car charge | 800 W |
| Warranty | 5 years |
| Weight | 27.6 lb · 12.52 kg |
| Dimensions | 397.6 × 202 × 283.6 mm (15.7 × 8.0 × 11.2 in) |
| Noise | 30 dB · EcoFlow |
| List price | $629.00 on October 2026 |
Similar models
Anker SOLIX C1000 Gen 2
1,024 Wh · 2,000 W$699.99
BLUETTI Elite 100 V2
1,024 Wh · 1,800 W$489.00
DJI Power 1000
1,024 Wh · 2,200 W$699.00When to pick something else
- Phones and lights on a smaller budget: Jackery Explorer 300, listed at less than half the price.
- A longer outage or more devices: Goal Zero Yeti 1500, with more capacity and more output.
- Hiking or packing light: BLUETTI Elite 10, at 3.97 lb · 1.8 kg.
Reviews that include this model
- Best Portable Power Stations (2026)10 models
- Best Portable Power Stations for CPAP (2026)10 models
- Best Portable Power Stations for Apartments11 models
- Best Portable Power Stations for Tailgating9 models
- Best Portable Power Stations for a Power Outage10 models
- Best Portable Power Stations for Van Life10 models
- Best Portable Power Stations to Charge from a Car10 models
Posts that include this model
- DJI Power vs EcoFlowCompare
- Goal Zero vs EcoFlowCompare
- Anker vs EcoFlow power stationsCompare
- EcoFlow vs BLUETTI power stationsCompare
- Jackery vs EcoFlow power stationsCompare
Editorial team · Updated November 1, 2026
Specs and the list price are checked against the sources linked on this page. About · How we review · Editorial policy
Specs and the list price are checked against the sources linked on this page. About · How we review · Editorial policy