For RV owners and home-backup buyers who want high output and fast recharging from a mid-size unit that can grow with extra batteries. It is heavy for 1.4 kWh, so it suits staying put more than carrying around.
Amazon Dabbsson $679The Dabbsson DBS1400 Pro rates 4.3 among mid-size portable power stations; the Dabbsson DBS2100 Pro rates 4.1 among large ones. The Dabbsson DBS1400 Pro costs $120 less ($679 vs $799).

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 $799Prices 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 (mid-size and large), 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 DBS1400 Pro | Dabbsson DBS2100 Pro |
|---|---|---|
| Overall rating | 4.3/5 | 4.1/5 |
| Value 25% | 81 $0.49 per rated Wh | 89 $0.37 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 55 82% of rated capacity delivered (1 test) |
| 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% | 100 2,400 W continuous AC | 54 2,400 W continuous AC |
| Charging speed 10% | 79 0-100% on AC in 1 h 30 min | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 41 67 Wh per kg (45 lb (20.5 kg)) | 78 88 Wh per kg (54 lb (24.5 kg)) |
| Solar input 5% | 85 1,200 W max solar input | 48 1,200 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 DBS1400 Pro
No independent test published yet.
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. |
Specifications
| Dabbsson DBS1400 Pro | Dabbsson DBS2100 Pro | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,382 Wh | 2,150 Wh |
| Tested usable capacity | - | 1,763 Wh (82%) |
| Chemistry | Semi-solid-state LiFePO4 | Semi-solid-state LiFePO4 |
| Cycle life | 4,500 to 80% | 4,500 to 80% |
| Expandable | Yes, up to 5,682 Wh | Yes, up to 6,450 Wh |
| Output | ||
| AC output | 2,400 W (4,800 W surge) | 2,400 W (4,800 W surge) |
| Boost mode (resistive loads) | 3,600 W | 3,600 W |
| AC outlets | 4 total | 4 total |
| 120V 20A outlets (NEMA 5-20R) | 3 | 3 |
| RV 30A outlet (TT-30R) | 1 | 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 | 1 h 30 min (manufacturer: 0-80% in 32 min with AC + solar combined (2400W); AC-only time not published) | - |
| Max solar input | 1,200 W | 1,200 W |
| Solar input voltage | 12-60V, 25A max (AC 1800W + solar 600W, 2400W max combined) | 12-60V, 25A max |
| Car charging | 96 W | 96 W |
| Build | ||
| Weight | 45 lb (20.5 kg) | 54 lb (24.5 kg) |
| Dimensions | 17 x 10 x 11.9 in | 17 x 10 x 11.9 in |
| App | Dabbsson app | Dabbsson app |
| Warranty | 5 years | 5 years |
| Released | 2024-10 | 2024-10 |