EcoFlow DELTA 3 Plus
#9 in Mid-sizeFull review
A fast-charging 1kWh LiFePO4 station for home backup and camping, worth the premium over the DELTA 3 mainly for its 1000W dual solar input and 140W USB-C.
Amazon EcoFlow $719$719
4.2/5
A well-rounded 1kWh LiFePO4 station for home backup and car camping that charges from the wall in under an hour.
- 1,024 WhCapacity
- 1,800 WAC output
- 27.6 lbWeight
- LiFePO4Battery
- 56 minFull charge
- $0.61Price / Wh
Check price at Amazon$629Check price at EcoFlow$629
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 0-100% AC recharge in 56 minutes at 1500W (OutdoorGearLab measured 1,229 Wh/hr charging rate)
- 1800W continuous / 3600W surge runs most kitchen appliances and power tools
- Six AC outlets plus 12V car and two DC5521 outputs
- Expandable to about 5kWh with EcoFlow extra batteries
Cons
- Single 500W solar input, half the DELTA 3 Plus
- USB-C ports top out at 100W
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.
Independent capacity tests
Usable energy delivered from a full charge through the AC outlets, as measured by independent reviewers. Inverter losses mean no station delivers its full rated capacity.
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| OutdoorGearLab | 870 Wh | 85% | Light-bar load bank at roughly 80% of rated AC output, 100% to shutdown, measured at the AC outlet. |
Specifications
| Battery | |
|---|---|
| Rated capacity | 1,024 Wh |
| Tested usable capacity | 870 Wh (85%) |
| Chemistry | LiFePO4 |
| Cycle life | 4,000 to 80% |
| Expandable | Yes, up to 5,000 Wh |
| Output | |
| AC output | 1,800 W (3,600 W surge) |
| Boost mode (resistive loads) | 2,200 W |
| AC outlets | 6 total |
| 120V 20A outlets (NEMA 5-20R) | 3 |
| 120V 2-prong outlets (NEMA 1-15R) | 3 |
| USB-C ports | 2 (up to 100 W each) |
| USB-A ports | 2 |
| 12 V car outlet | Yes |
| DC5521 ports | 2 |
| UPS / pass-through | Yes (10 ms switchover) |
| Charging | |
| AC charging | 1,500 W |
| Full AC charge time | 56 min |
| Max solar input | 500 W |
| Solar input voltage | 11-60V |
| Car charging | 800 W |
| Build | |
| Weight | 27.6 lb (12.5 kg) |
| Dimensions | 15.7 x 8.0 x 11.2 in |
| App | EcoFlow app |
| Warranty | 5 years |
Alternatives in this size
Jackery Explorer 1000 Plus
#10 in Mid-sizeFull review
A 1.26kWh LiFePO4 station with strong output for campers and outage prep, though its expansion battery is getting hard to find.
Jackery $619$619
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
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