Dabbsson DBS2300
#13 in LargeFull review
For home-backup buyers who want 2.3 kWh of tested capacity that can grow to 8.3 kWh. The DBS2300 Plus costs the same and adds more solar input and parallel output.
Amazon $1,399 Dabbsson $899$899
The Dabbsson DBS2300 rates 4.1 among large portable power stations; the Dabbsson DBS3500 rates 3.9 among home backup ones. The Dabbsson DBS2300 costs $700 less ($899 vs $1,599).
Dabbsson DBS3500
#13 in Home backupFull review
For homeowners building a whole-circuit backup system who want 3.4 kWh now, fast solar charging and a path to 240V. It is too heavy to treat as a camping unit.
Amazon $2,558.55 Dabbsson $1,599$1,599
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.
Scores side by side
These two sit in different size classes (large and home backup), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Dabbsson DBS2300 | Dabbsson DBS3500 |
|---|---|---|
| Overall rating | 4.1/5 | 3.9/5 |
| Value 25% | 87 $0.39 per rated Wh | 74 $0.47 per rated Wh |
| Tested capacity 15% | 67 85% of rated capacity delivered (1 test) | 50 not yet independently tested (neutral score used) |
| Battery life 15% | 100 Semi-solid-state LiFePO4, 4,500 cycles, 5-year warranty | 100 Semi-solid-state LiFePO4, 4,500 cycles, 5-year warranty |
| AC output 15% | 44 2,200 W continuous AC | 37 3,600 W continuous AC |
| Charging speed 10% | 50 full AC charge time not published (neutral score used) | 63 0-100% on AC in 2 h |
| Portability 10% | 94 97 Wh per kg (53 lb (24.1 kg)) | 70 84 Wh per kg (90.5 lb (41 kg)) |
| Solar input 5% | 13 600 W max solar input | 65 2,400 W max solar input |
| Features 5% | 100 UPS (15 ms), expandable, 100 W USB-C, app | 100 UPS (15 ms), expandable, 100 W USB-C, app |
Independent capacity tests
Dabbsson DBS2300
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| nextpit | 1,973 Wh | 84.7% | Full 100%-to-0% discharge (load not stated) of the European 230V model; 2,447 Wh from the wall to recharge, about 81% round trip. 1973/2330 works out to 84.7%. |
Dabbsson DBS3500
No independent test published yet.
Specifications
| Dabbsson DBS2300 | Dabbsson DBS3500 | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,330 Wh | 3,430 Wh |
| Tested usable capacity | 1,973 Wh (85%) | - |
| Chemistry | Semi-solid-state LiFePO4 | Semi-solid-state LiFePO4 |
| Cycle life | 4,500 to 80% | 4,500 to 80% |
| Expandable | Yes, up to 8,330 Wh | Yes, up to 14,070 Wh |
| Output | ||
| AC output | 2,200 W (4,400 W surge) | 3,600 W (7,200 W surge) |
| Boost mode (resistive loads) | 3,000 W | - |
| AC outlets | 4 total | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 4 |
| RV 30A outlet (TT-30R) | - | 1 |
| AC waveform | Pure sine wave | Pure sine wave |
| USB-C ports | 3 (up to 100 W each) | 3 (up to 100 W each) |
| USB-A ports | 3 | 3 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 2 | 2 |
| UPS / pass-through | Yes (15 ms switchover) | Yes (15 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,800 W |
| Full AC charge time | - | 2 h (manufacturer comparison table: 0-80% in 1.78 h on AC; 0-100% in 1.91 h on 2400W solar) |
| Max solar input | 600 W | 2,400 W |
| Solar input voltage | 12-60V, 12A max (AC + solar combined up to 1800W) | 12-150V, 25A max (AC + solar combined up to 3400W) |
| Car charging | - | 96 W |
| Build | ||
| Weight | 53 lb (24.1 kg) | 90.5 lb (41 kg) |
| Dimensions | 17 x 10 x 11.9 in | 20.9 x 12 x 15.4 in |
| App | Dabbsson app | Dabbsson app |
| Warranty | 5 years | 5 years |
| Released | 2023-05 | 2024-04 |