Dabbsson DBS2100 Pro
#9 in LargeFull review
For home-backup and RV buyers who want 2 kWh, high output and room to add batteries at a low price per watt-hour. Expect average efficiency at heavy loads.
Amazon $799 Dabbsson $799$799
The Dabbsson DBS2100 Pro is the better portable power station overall, rated 4.1 to 2.6. The Dabbsson DBS2100 Pro leads on value, battery life and AC output. The Generac GB2000 wins on portability. The Dabbsson DBS2100 Pro costs $1,000 less ($799 vs $1,799).
Generac GB2000
#30 in LargeFull review
For Generac owners who want a 2 kWh battery that can parallel with a second unit; most buyers get more capacity, faster charging and longer battery life for less from LiFePO4 rivals.
Toolnut $1,799$1,799
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 DBS2100 Pro for value ($0.37 per rated Wh vs $0.85 per rated Wh), battery life (Semi-solid-state LiFePO4, 4,500 cycles, 5-year warranty vs Li-ion NMC, 1,000 cycles, 3-year warranty) and AC output (2,400 W continuous AC vs 1,600 W continuous AC).
- Choose the Generac GB2000 for portability (108 Wh per kg (43 lb (19.5 kg)) vs 88 Wh per kg (54 lb (24.5 kg))).
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 DBS2100 Pro | Generac GB2000 |
|---|---|---|
| Overall rating | 4.1/5 | 2.6/5 |
| Value 25% | 89 $0.37 per rated Wh | 15 $0.85 per rated Wh |
| Tested capacity 15% | 55 82% 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 | 24 Li-ion NMC, 1,000 cycles, 3-year warranty |
| AC output 15% | 54 2,400 W continuous AC | 7 1,600 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% | 78 88 Wh per kg (54 lb (24.5 kg)) | 100 108 Wh per kg (43 lb (19.5 kg)) |
| Solar input 5% | 48 1,200 W max solar input | 8 468 W max solar input |
| Features 5% | 100 UPS (15 ms), expandable, 100 W USB-C, app | 0 no UPS, expansion or app |
Independent capacity tests
Dabbsson DBS2100 Pro
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 82% | Continuous 2,150W load from full; an earlier run shut down at 30% from overheating. AC recharge measured at about 1 h 15 min to 80%, nearly 2 h to full. |
Generac GB2000
No independent test published yet.
Specifications
| Dabbsson DBS2100 Pro | Generac GB2000 | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,150 Wh | 2,106 Wh |
| Tested usable capacity | 1,763 Wh (82%) | - |
| Chemistry | Semi-solid-state LiFePO4 | Li-ion NMC |
| Cycle life | 4,500 to 80% | 1,000 to 80% (0.5C charge, 1C discharge at 25 C) |
| Expandable | Yes, up to 6,450 Wh | No |
| Output | ||
| AC output | 2,400 W (4,800 W surge) | 1,600 W (3,200 W surge) |
| Boost mode (resistive loads) | 3,600 W | - |
| AC outlets | 4 total | 3 total |
| 120V 20A outlets (NEMA 5-20R) | 3 | - |
| 120V 2-prong outlets (NEMA 1-15R) | - | 3 |
| RV 30A outlet (TT-30R) | 1 | - |
| AC waveform | Pure sine wave | - |
| USB-C ports | 3 (up to 100 W each) | 2 (up to 65 W each) |
| USB-A ports | 3 | 2 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 2 | - |
| UPS / pass-through | Yes (15 ms switchover) | No |
| Charging | ||
| AC charging | 1,800 W | 450 W |
| Max solar input | 1,200 W | 468 W |
| Solar input voltage | 12-60V, 25A max | 10-28V, 30A max (shared DC/solar input) |
| Build | ||
| Weight | 54 lb (24.5 kg) | 43 lb (19.5 kg) |
| Dimensions | 17 x 10 x 11.9 in | 16.8 x 10.4 x 15.1 in |
| App | Dabbsson app | - |
| Warranty | 5 years | 3 years |