Fit and tradeoffs
Who it's for
- A refrigerator during an outage.
- Match the rated capacity and continuous output to devices you already own.
Who it's not for
- Backing up a whole house.
- Hiking or carrying it by hand for long.
Pros
- UPS switchover is about 10 ms.
- It can charge from a solar panel, up to 500 W.
Cons
- 44.8 lb. Too heavy to carry far.
- The battery cannot take an add-on pack.
Similar size
2,000 Wh and up, 4 models. This one is highlighted.
| Model | Capacity | Output | Score | List price | Price / Wh |
|---|---|---|---|---|---|
| Anker SOLIX C2000 Gen 2 | 2,048 Wh | 2,400 W | 9.0 | $1,199.99 | $0.59 / Wh |
| Anker SOLIX F2000 (PowerHouse 767) | 2,048 Wh | 2,400 W | 8.8 | £1,699.00 | £0.83 / Wh |
| DJI Power 2000 | 2,048 Wh | 3,000 W | 9.0 | $1,299.00 | $0.63 / Wh |
| EcoFlow DELTA 3 Max | 2,048 Wh | 2,400 W | 9.1 | $749.00 | $0.37 / Wh |
Score
9.1 / 10, from the four rows below. Each row is scored from 7.0 to 10.
CapacityWeight 35%
9.3
2,048 Wh
Continuous outputWeight 25%
9.1
2,400 W
WeightWeight 20%
8.0
44.8 lb · 20.32 kg
List priceWeight 20%
10.0
$0.37 / 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 |
|---|---|---|---|
| No published battery test. | |||
Runtime estimates
About how long EcoFlow DELTA 3 Max 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 174.1 hours |
| Phone fast charge (15 W) | About 116.1 hours |
| CPAP (40 W) | About 43.5 hours |
| Car fridge (60 W) | About 29 hours |
| Laptop (65 W) | About 26.8 hours |
| Electric kettle (1,000 W) | About 1.7 hours |
Full specs
Published by the brand.
| Capacity | 2,048 Wh |
|---|---|
| Chemistry | LiFePO4 |
| Cycle life | Not listed |
| Battery test | No published battery test. |
| Continuous output | 2,400 W |
|---|---|
| Peak output | 4,800 W |
| Ports | AC outlets x 4, USB-C x 3, USB-A x 1 |
| Expandable | No |
| UPS | Yes, about 10 ms |
| Solar input | 500 W |
|---|---|
| AC input | 1,800 W |
| Car charge | 500 W |
| Warranty | 5 years |
| Weight | 44.8 lb · 20.32 kg |
| Dimensions | 494 × 239 × 305 mm (H×W×D) |
| Noise | 25 dB · EcoFlow |
| List price | $749.00 on October 2026 |
Similar models
Anker SOLIX C2000 Gen 2
2,048 Wh · 2,400 W$1,199.99 · Sold out
Anker SOLIX F2000 (PowerHouse 767)
2,048 Wh · 2,400 W£1,699.00 · Sold out
DJI Power 2000
2,048 Wh · 3,000 W$1,299.00When 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: BLUETTI Apex 300, 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
Posts that include this model
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