Dabbsson 2000L
#1 in LargeFull review
For budget buyers who want 2 kWh of tested, efficient capacity and can tolerate slow recharging.
Amazon $648 Dabbsson $649$648
The Dabbsson 2000L is the better portable power station overall, rated 4.3 to 4.0. The Dabbsson 2000L leads on value, tested capacity and portability. The EcoFlow DELTA 2 Max wins on AC output, features and solar input. The Dabbsson 2000L costs $401 less ($648 vs $1,049).
EcoFlow DELTA 2 Max
#17 in LargeFull review
A proven 2kWh LiFePO4 station for home backup and RV trips with plenty of outlets. It costs less than the DELTA 3 Max Plus but has slower switchover and less output.
Amazon $1,049 EcoFlow $1,049$1,049
Prices 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.
Which should you buy?
- Choose the Dabbsson 2000L for value ($0.32 per rated Wh vs $0.51 per rated Wh), tested capacity (91% of rated capacity delivered (1 test) vs 88% of rated capacity delivered (1 test)) and portability (110 Wh per kg (41 lb (18.6 kg)) vs 89 Wh per kg (50 lb (23 kg))).
- Choose the EcoFlow DELTA 2 Max for AC output (2,400 W continuous AC vs 2,200 W continuous AC), features (UPS (30 ms), expandable, 100 W USB-C, app vs UPS (15 ms), 100 W USB-C, app) and solar input (1,000 W max solar input vs 800 W max solar input).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | Dabbsson 2000L | EcoFlow DELTA 2 Max |
|---|---|---|
| Overall rating | 4.3/5 | 4.0/5 |
| Value 25% | 97 $0.32 per rated Wh | 67 $0.51 per rated Wh |
| Tested capacity 15% | 97 91% of rated capacity delivered (1 test) | 81 88% of rated capacity delivered (1 test) |
| Battery life 15% | 100 Semi-solid-state LiFePO4, 4,000 cycles, 5-year warranty | 91 LiFePO4, 3,000 cycles, 5-year warranty |
| AC output 15% | 44 2,200 W continuous AC | 54 2,400 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% | 100 110 Wh per kg (41 lb (18.6 kg)) | 80 89 Wh per kg (50 lb (23 kg)) |
| Solar input 5% | 28 800 W max solar input | 40 1,000 W max solar input |
| Features 5% | 75 UPS (15 ms), 100 W USB-C, app | 100 UPS (30 ms), expandable, 100 W USB-C, app |
Independent capacity tests
Dabbsson 2000L
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| CNET | 1,870 Wh | 91.3% | 480W load logged with HOBOware; round-trip efficiency 79.01%; recharge 3 h 28 min; ran a test fridge about 21 h |
EcoFlow DELTA 2 Max
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| StorageReview | 1,800 Wh | 88% | AC discharge at a 350W load. Recharge took 2,370 Wh from the wall. |
Specifications
| Dabbsson 2000L | EcoFlow DELTA 2 Max | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,048 Wh | 2,048 Wh |
| Tested usable capacity | 1,870 Wh (91%) | 1,800 Wh (88%) |
| Chemistry | Semi-solid-state LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80% | 3,000 to 80% |
| Expandable | No | Yes, up to 6,144 Wh |
| Output | ||
| AC output | 2,200 W (4,400 W surge) | 2,400 W (4,800 W surge) |
| Boost mode (resistive loads) | 3,300 W | 3,400 W |
| AC outlets | 6 total | 6 total |
| 120V 20A outlets (NEMA 5-20R) | 3 | 6 |
| 120V 2-prong outlets (NEMA 1-15R) | 3 | - |
| USB-C ports | 2 (up to 100 W each) | 2 (up to 100 W each) |
| USB-A ports | 2 | 4 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 1 | 2 |
| UPS / pass-through | Yes (15 ms switchover) | Yes (30 ms switchover) |
| Charging | ||
| AC charging | 1,500 W | 1,800 W |
| Max solar input | 800 W | 1,000 W |
| Solar input voltage | 12-60V, 20A | 11-60V, 15A (2 inputs, 500W each) |
| Build | ||
| Weight | 41 lb (18.6 kg) | 50 lb (23 kg) |
| Dimensions | 18.3 x 11.2 x 8.8 in | 19.6 x 9.5 x 12 in |
| App | Wi-Fi + Bluetooth | EcoFlow app (Wi-Fi and Bluetooth) |
| Warranty | 5 years | 5 years |