EcoFlow DELTA 3 Plus
#14 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
The EcoFlow DELTA 3 Plus is the better portable power station overall, rated 4.2 to 3.9. The EcoFlow DELTA 3 Plus leads on value and features. The BLUETTI Premium 100 V2 wins on portability. The EcoFlow DELTA 3 Plus costs $130 less ($719 vs $849).
BLUETTI Premium 100 V2
#28 in Mid-sizeFull review
For buyers who need to run high-draw appliances from a light 1 kWh unit and want fast wall and solar charging.
BLUETTI $849$849
Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the EcoFlow DELTA 3 Plus for value ($0.70 per rated Wh vs $0.83 per rated Wh) and features (UPS (10 ms), expandable, 140 W USB-C, app vs UPS (10 ms), 140 W USB-C, app).
- Choose the BLUETTI Premium 100 V2 for portability (89 Wh per kg (25.3 lb (11.5 kg)) vs 82 Wh per kg (27.6 lb (12.5 kg))).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every mid-size portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | EcoFlow DELTA 3 Plus | BLUETTI Premium 100 V2 |
|---|---|---|
| Overall rating | 4.2/5 | 3.9/5 |
| Value 25% | 53 $0.70 per rated Wh | 36 $0.83 per rated Wh |
| Tested capacity 15% | 70 85% of rated capacity delivered (2 tests) | 50 not yet independently tested (neutral score used) |
| Battery life 15% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 100 LiFePO4, 4,000 cycles, 5-year warranty |
| AC output 15% | 82 1,800 W continuous AC | 82 1,800 W continuous AC |
| Charging speed 10% | 97 0-100% on AC in 56 min | 89 0-100% on AC in 1 h 10 min |
| Portability 10% | 67 82 Wh per kg (27.6 lb (12.5 kg)) | 80 89 Wh per kg (25.3 lb (11.5 kg)) |
| Solar input 5% | 97 1,000 W max solar input | 97 1,000 W max solar input |
| Features 5% | 100 UPS (10 ms), expandable, 140 W USB-C, app | 75 UPS (10 ms), 140 W USB-C, app |
Independent capacity tests
EcoFlow DELTA 3 Plus
| 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. |
BLUETTI Premium 100 V2
No independent test published yet.
Specifications
| EcoFlow DELTA 3 Plus | BLUETTI Premium 100 V2 | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,024 Wh | 1,024 Wh |
| Tested usable capacity | 875 Wh (85%) | - |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80% | 4,000 to 80% |
| Expandable | Yes, up to 5,000 Wh | - |
| Output | ||
| AC output | 1,800 W (3,600 W surge) | 1,800 W (3,600 W surge) |
| Boost mode (resistive loads) | 2,200 W | 2,700 W |
| AC outlets | 6 total | 4 total |
| 120V 20A outlets (NEMA 5-20R) | 3 | 4 |
| 120V 2-prong outlets (NEMA 1-15R) | 3 | - |
| AC waveform | Pure sine wave | - |
| USB-C ports | 2 (up to 140 W each) | 2 (up to 140 W each) |
| USB-A ports | 2 | 2 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 2 | 2 |
| UPS / pass-through | Yes (10 ms switchover) | Yes (10 ms switchover) |
| Charging | ||
| AC charging | 1,500 W | 1,200 W |
| Full AC charge time | 56 min | 1 h 10 min (0-80% in 45 min in Turbo mode) |
| Max solar input | 1,000 W | 1,000 W |
| Solar input voltage | 11-60V (2 inputs, 500W each) | 12-60V, 20A |
| Car charging | 800 W | - |
| Build | ||
| Weight | 27.6 lb (12.5 kg) | 25.3 lb (11.5 kg) |
| Dimensions | 16 x 8.0 x 11 in | 12.6 x 8.5 x 9.8 in |
| App | EcoFlow app | Wi-Fi + Bluetooth |
| Warranty | 5 years | 5 years |
| Released | 2024-09 | 2025-07 |