EcoFlow DELTA 3
#11 in Mid-sizeFull review
A well-rounded 1kWh LiFePO4 station for home backup and car camping that charges from the wall in under an hour.
Amazon $629 EcoFlow $629$629
4.2/5
For RV owners and home-backup buyers who want high output and fast recharging from a mid-size unit that can grow with extra batteries. It is heavy for 1.4 kWh, so it suits staying put more than carrying around.
- 1,382 WhCapacity
- 2,400 WAC output
- 45 lbWeight
- Semi-solid-state LiFePO4Battery
- $0.49Price / Wh
Check price at AmazonCheck price at Dabbsson$679
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 2400W continuous output runs most household appliances
- Very fast recharging, to 80% in about half an hour with wall and solar together
- TT-30 outlet plugs straight into an RV
- Expands to about 5.7 kWh with add-on batteries
Cons
- Heavy for its capacity at 45 lb
- No independent capacity test yet
- No current Amazon offer, so buying options are limited to Dabbsson
How it scores
The rating comes from 8 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Battery | |
|---|---|
| Rated capacity | 1,382 Wh |
| Chemistry | Semi-solid-state LiFePO4 |
| Cycle life | 4,500 to 80% |
| Expandable | Yes, up to 5,682 Wh |
| Output | |
| AC output | 2,400 W (4,800 W surge) |
| Boost mode (resistive loads) | 3,600 W |
| AC outlets | 4 total |
| 120V 20A outlets (NEMA 5-20R) | 3 |
| RV 30A outlet (TT-30R) | 1 |
| AC waveform | Pure sine wave |
| USB-C ports | 3 (up to 100 W each) |
| USB-A ports | 3 |
| 12 V car outlet | Yes |
| DC5521 ports | 2 |
| UPS / pass-through | Yes (15 ms switchover) |
| Charging | |
| AC charging | 1,800 W |
| Max solar input | 1,200 W |
| Solar input voltage | 12-60V, 25A max (AC 1800W + solar 600W, 2400W max combined) |
| Build | |
| Weight | 45 lb (20.5 kg) |
| Dimensions | 17 x 10 x 11.9 in |
| App | Dabbsson app |
| Warranty | 5 years |
Alternatives in this size
Jackery HomePower 1000 v2
#12 in Mid-sizeFull review
A light, inexpensive 1kWh LiFePO4 station for short outages and camping that recharges quickly from the wall.
Amazon $549 Jackery $549$549
OUPES Mega 1
#14 in Mid-sizeFull review
A strong 1kWh home-backup station with a big inverter and room to expand, often sold well below list price on Amazon.
Amazon $466.65 OUPES $699$466.65
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