A low-cost 1kWh LiFePO4 station for home backup and car camping where AC outlets are all you need. Pick the DELTA 3 Plus instead if you want 12V outputs, faster solar charging or an extra battery later.
Amazon $499The EcoFlow DELTA 3 Classic is the better portable power station overall, rated 4.2 to 4.0. The EcoFlow DELTA 3 Classic leads on AC output, charging speed and features. The BLUETTI Elite 100 mini wins on battery life, tested capacity and value. The BLUETTI Elite 100 mini costs $70 less ($429 vs $499).
For buyers who want a full kilowatt-hour for lights, a fridge, CPAP and electronics at a low price, and do not need high-wattage appliances.
Amazon $799 BLUETTI $429Prices 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 Classic for AC output (1,800 W continuous AC vs 700 W continuous AC), charging speed (0-100% on AC in 1 h vs 0-100% on AC in 2 h 19 min) and features (UPS (10 ms), 100 W USB-C, app vs UPS (10 ms), 140 W USB-C).
- Choose the BLUETTI Elite 100 mini for battery life (LiFePO4, 6,000 cycles, 3-year warranty vs LiFePO4, 5-year warranty), tested capacity (97% of rated capacity delivered (1 test) vs 88% of rated capacity delivered (2 tests)) and value ($0.43 per rated Wh vs $0.49 per rated Wh).
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 Classic | BLUETTI Elite 100 mini |
|---|---|---|
| Overall rating | 4.2/5 | 4.0/5 |
| Value 25% | 82 $0.49 per rated Wh | 90 $0.43 per rated Wh |
| Tested capacity 15% | 81 88% of rated capacity delivered (2 tests) | 100 97% of rated capacity delivered (1 test) |
| Battery life 15% | 70 LiFePO4, 5-year warranty | 90 LiFePO4, 6,000 cycles, 3-year warranty |
| AC output 15% | 82 1,800 W continuous AC | 21 700 W continuous AC |
| Charging speed 10% | 95 0-100% on AC in 1 h | 53 0-100% on AC in 2 h 19 min |
| Portability 10% | 72 85 Wh per kg (26.7 lb (12.1 kg)) | 89 94 Wh per kg (23.6 lb (10.7 kg)) |
| Solar input 5% | 40 500 W max solar input | 23 350 W max solar input |
| Features 5% | 75 UPS (10 ms), 100 W USB-C, app | 55 UPS (10 ms), 140 W USB-C |
Independent capacity tests
EcoFlow DELTA 3 Classic
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| CNET | 947 Wh | 92.5% | 480W load logged with HOBOware; round-trip efficiency 81.34%; recharge from empty 55 min. |
| The Solar Lab | - | 83% | Inverter efficiency test (load not stated in the review). Measured AC recharge from empty just under 55 min. |
BLUETTI Elite 100 mini
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 97% | Efficiency test (load not stated in the review); idle draw about 13.5W. Measured AC recharge from empty about 2 h. |
Specifications
| EcoFlow DELTA 3 Classic | BLUETTI Elite 100 mini | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,024 Wh | 1,004.8 Wh |
| Tested usable capacity | 899 Wh (88%) | 975 Wh (97%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | - | 6,000 to 80% |
| Expandable | No | No |
| Output | ||
| AC output | 1,800 W (3,600 W surge) | 700 W |
| Boost mode (resistive loads) | 2,600 W | - |
| AC outlets | 3 total | 3 total |
| 120V 15A outlets (NEMA 5-15R) | - | 3 |
| 120V 20A outlets (NEMA 5-20R) | 2 | - |
| 120V 2-prong outlets (NEMA 1-15R) | 1 | - |
| AC waveform | Pure sine wave | - |
| USB-C ports | 2 (up to 100 W each) | 2 (up to 140 W each) |
| USB-A ports | 1 | 1 |
| 12 V car outlet | No | Yes |
| DC5521 ports | 0 | 2 |
| UPS / pass-through | Yes (10 ms switchover) | Yes (10 ms switchover) |
| Charging | ||
| AC charging | 1,400 W | 700 W |
| Full AC charge time | 1 h (0-80% in 45 min) | 2 h 19 min (0-80% in about 82 min) |
| Max solar input | 500 W | 350 W |
| Solar input voltage | - | 12-60V, 10A |
| Car charging | 96 W | 192 W |
| Build | ||
| Weight | 26.7 lb (12.1 kg) | 23.6 lb (10.7 kg) |
| Dimensions | 398 x 200 x 283 mm | 9.25 x 8.48 x 11.54 in |
| App | EcoFlow app (Wi-Fi and Bluetooth) | - |
| Warranty | 5 years | 3 years |
| Released | 2025-09 | 2026-09 |
