A light, quiet 1kWh LiFePO4 station with best-in-class solar input, well suited to van builds, camping and CPAP use.
Amazon $499 BLUETTI $499
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.
- 1,024 WhCapacity
- 1,800 WAC output
- 27.6 lbWeight
- LiFePO4Battery
- 56 minFull charge
- $0.70Price / Wh
Price checked October 20, 2026. As an Amazon Associate we earn from qualifying purchases.
- 0-100% AC recharge in 56 minutes at 1500W
- Dual 500W solar inputs for 1000W total solar charging
- 13 outputs including two 140W USB-C ports
- Expandable with DELTA 3, DELTA 2, DELTA 2 Max or DELTA Pro 3 extra batteries
- Reviewers reported inconsistent fan behavior and heat build-up under sustained loads near 1,500W
- Fan is loud at high output
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 |
|---|---|---|---|
| StorageReview | 910 Wh | 89% | Full 100%-to-0% discharge; load not specified. Recharge took 1.18 kWh from the wall. |
| The Solar Lab | - | 82% | 1,573W appliance load run for 32 minutes; reviewer reported fan/overheating inconsistency under this load. |
Specifications
| Battery | |
|---|---|
| Rated capacity | 1,024 Wh |
| Tested usable capacity | 875 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 140 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 | 1,000 W |
| Solar input voltage | 11-60V (2 inputs, 500W each) |
| Car charging | 800 W |
| Build | |
| Weight | 27.6 lb (12.5 kg) |
| Dimensions | 16 x 8.0 x 11 in |
| App | EcoFlow app |
| Warranty | 5 years |
Alternatives in this size
An affordable, fairly light 1kWh station for camping, tailgating and short outages. Buyers who may want more capacity later should look at an expandable model.
Pecron $399A 1.26kWh LiFePO4 station with strong output for campers and outage prep, though its expansion battery is getting hard to find.
Jackery $619Compare
Compare the EcoFlow DELTA 3 Plus with any other portable power station →
More from EcoFlow: every EcoFlow product ranked.
Reviews
- StorageReview: EcoFlow DELTA 3 Plus Review
- The Solar Lab: EcoFlow DELTA 3 Plus Review
- How-To Geek: EcoFlow Delta 3 Plus Review