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 4.0. The Dabbsson DBS2100 Pro leads on value, portability and features. The BLUETTI Apex 300 wins on AC output and solar input. The Dabbsson DBS2100 Pro costs $699.98 less ($799 vs $1,498.98).
BLUETTI Apex 300
#15 in LargeFull review
For homeowners who want a 240V-capable backup battery that grows with expansion packs, not a grab-and-go unit.
Amazon $1,498.98 BLUETTI $1,499$1,498.98
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 $0.54 per rated Wh), portability (88 Wh per kg (54 lb (24.5 kg)) vs 73 Wh per kg (83.8 lb (38 kg))) and features (UPS (15 ms), expandable, 100 W USB-C, app vs UPS (0 ms), expandable, app).
- Choose the BLUETTI Apex 300 for AC output (3,840 W continuous AC vs 2,400 W continuous AC) and solar input (2,400 W max solar input vs 1,200 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 DBS2100 Pro | BLUETTI Apex 300 |
|---|---|---|
| Overall rating | 4.1/5 | 4.0/5 |
| Value 25% | 89 $0.37 per rated Wh | 63 $0.54 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 | 100 LiFePO4, 6,000 cycles, 5-year warranty |
| AC output 15% | 54 2,400 W continuous AC | 100 3,840 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)) | 50 73 Wh per kg (83.8 lb (38 kg)) |
| Solar input 5% | 48 1,200 W max solar input | 84 2,400 W max solar input |
| Features 5% | 100 UPS (15 ms), expandable, 100 W USB-C, app | 80 UPS (0 ms), expandable, 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. |
BLUETTI Apex 300
No independent test published yet.
Specifications
| Dabbsson DBS2100 Pro | BLUETTI Apex 300 | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,150 Wh | 2,764.8 Wh |
| Tested usable capacity | 1,763 Wh (82%) | - |
| Chemistry | Semi-solid-state LiFePO4 | LiFePO4 |
| Cycle life | 4,500 to 80% | 6,000 to 80% |
| Expandable | Yes, up to 6,450 Wh | Yes, up to 19,353.6 Wh |
| Output | ||
| AC output | 2,400 W (4,800 W surge) | 3,840 W (7,680 W surge) |
| Boost mode (resistive loads) | 3,600 W | - |
| AC outlets | 4 total | 6 total |
| 120V 20A outlets (NEMA 5-20R) | 3 | 4 |
| RV 30A outlet (TT-30R) | 1 | 1 |
| 120/240V 50A outlet (NEMA 14-50R) | - | 1 |
| AC waveform | Pure sine wave | - |
| USB-C ports | 3 (up to 100 W each) | 0 |
| USB-A ports | 3 | 0 |
| 12 V car outlet | Yes | No |
| DC5521 ports | 2 | 0 |
| UPS / pass-through | Yes (15 ms switchover) | Yes (0 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,800 W |
| Max solar input | 1,200 W | 2,400 W |
| Solar input voltage | 12-60V, 25A max | 2 inputs, 12-60V, 20A each |
| Build | ||
| Weight | 54 lb (24.5 kg) | 83.8 lb (38 kg) |
| Dimensions | 17 x 10 x 11.9 in | 20.67 x 12.87 x 12.6 in |
| App | Dabbsson app | Wi-Fi + Bluetooth |
| Warranty | 5 years | 5 years |