The Dabbsson 3000L is the better portable power station overall, rated 3.9 to 3.7. The Dabbsson 3000L leads on battery life, value and portability. The EcoFlow DELTA 3 Ultra wins on AC output. The Dabbsson 3000L costs $350 less ($999 vs $1,349).
For RV owners and home-backup buyers who want 3 kWh and 3000W at a low price in a fixed-size unit. Buyers who may want to add batteries or 240V later should look at expandable models.
Amazon $1,069 Dabbsson $999A wheeled 3kWh station for home backup or RV use at a lower price than its expandable sibling. Buy it if 3kWh is enough and you charge mostly from the wall.
Amazon $1,349 EcoFlow $1,349Prices were last checked October 20, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Each factor is scored 0-100 against the same fixed reference points for every home backup portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | Dabbsson 3000L | EcoFlow DELTA 3 Ultra |
|---|---|---|
| Overall rating | 3.9/5 | 3.7/5 |
| Value 25% | 96 $0.33 per rated Wh | 79 $0.44 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Battery life 15% | 100 Semi-solid-state LiFePO4, 4,000 cycles, 5-year warranty | 70 LiFePO4, 5-year warranty |
| AC output 15% | 20 3,000 W continuous AC | 37 3,600 W continuous AC |
| Charging speed 10% | 50 full AC charge time not published (neutral score used) | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 100 119 Wh per kg (56.8 lb (25.8 kg)) | 89 94 Wh per kg (72.1 lb (32.7 kg)) |
| Solar input 5% | 28 1,200 W max solar input | 13 800 W max solar input |
| Features 5% | 75 UPS (15 ms), 100 W USB-C, app | 75 UPS (10 ms), 140 W USB-C, app |
| Dabbsson 3000L | EcoFlow DELTA 3 Ultra | |
|---|---|---|
| Battery | ||
| Rated capacity | 3,072 Wh | 3,072 Wh |
| Chemistry | Semi-solid-state LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80% | - |
| Expandable | No | No |
| Output | ||
| AC output | 3,000 W (6,000 W surge) | 3,600 W (7,200 W surge) |
| Boost mode (resistive loads) | 3,600 W | 4,600 W |
| AC outlets | 7 total | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 3 | 4 |
| 120V 2-prong outlets (NEMA 1-15R) | 3 | - |
| RV 30A outlet (TT-30R) | 1 | 1 |
| AC waveform | Pure sine wave | - |
| USB-C ports | 2 (up to 100 W each) | 3 (up to 140 W each) |
| USB-A ports | 2 | 1 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 1 | - |
| UPS / pass-through | Yes (15 ms switchover) | Yes (10 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,800 W |
| Max solar input | 1,200 W | 800 W |
| Solar input voltage | 12-60V, 25A max (AC + solar combined up to 1800W) | - |
| Build | ||
| Weight | 56.8 lb (25.8 kg) | 72.1 lb (32.7 kg) |
| Dimensions | 19.1 x 11.5 x 9.5 in | 626 x 328 x 395 mm |
| App | Dabbsson app | EcoFlow app (Wi-Fi and Bluetooth) |
| Warranty | 5 years | 5 years |
