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
The Dabbsson DBS3500 is the better portable power station overall, rated 3.9 to 3.7. The Dabbsson DBS3500 leads on AC output, portability and solar input. The ALLPOWERS R3500 costs $175 less ($1,424 vs $1,599).
ALLPOWERS R3500
#19 in Home backupFull review
For home backup on a budget where the unit stays in one place, with room for a second battery later.
ALLPOWERS $1,424$1,424
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.
Which should you buy?
- Choose the Dabbsson DBS3500 for AC output (3,600 W continuous AC vs 3,200 W continuous AC), portability (84 Wh per kg (90.5 lb (41 kg)) vs 75 Wh per kg (93 lb (42 kg))) and solar input (2,400 W max solar input vs 2,000 W max solar input).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every home backup portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | Dabbsson DBS3500 | ALLPOWERS R3500 |
|---|---|---|
| Overall rating | 3.9/5 | 3.7/5 |
| Value 25% | 74 $0.47 per rated Wh | 77 $0.45 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Battery life 15% | 100 Semi-solid-state LiFePO4, 4,500 cycles, 5-year warranty | 96 LiFePO4, 3,500 cycles, 5-year warranty |
| AC output 15% | 37 3,600 W continuous AC | 26 3,200 W continuous AC |
| Charging speed 10% | 63 0-100% on AC in 2 h | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 70 84 Wh per kg (90.5 lb (41 kg)) | 55 75 Wh per kg (93 lb (42 kg)) |
| Solar input 5% | 65 2,400 W max solar input | 57 2,000 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 |
Specifications
| Dabbsson DBS3500 | ALLPOWERS R3500 | |
|---|---|---|
| Battery | ||
| Rated capacity | 3,430 Wh | 3,168 Wh |
| Chemistry | Semi-solid-state LiFePO4 | LiFePO4 |
| Cycle life | 4,500 to 80% | 3,500 3,500+ cycles (manufacturer; end-of-life capacity not stated) |
| Expandable | Yes, up to 14,070 Wh | Yes, up to 6,336 Wh |
| Output | ||
| AC output | 3,600 W (7,200 W surge) | 3,200 W (6,000 W surge) |
| AC outlets | 5 total | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 4 |
| RV 30A outlet (TT-30R) | 1 | 1 |
| AC waveform | Pure sine wave | Pure sine wave |
| USB-C ports | 3 (up to 100 W each) | 2 (up to 100 W each) |
| USB-A ports | 3 | 4 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 2 | - |
| UPS / pass-through | Yes (15 ms switchover) | Yes (15 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,500 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 | 2,400 W | 2,000 W |
| Solar input voltage | 12-150V, 25A max (AC + solar combined up to 3400W) | 12-150V, 40A (XT60) |
| Car charging | 96 W | - |
| Build | ||
| Weight | 90.5 lb (41 kg) | 93 lb (42 kg) |
| Dimensions | 20.9 x 12 x 15.4 in | 20.86 x 14.17 x 13.58 in |
| App | Dabbsson app | ALLPOWERS app (Wi-Fi/Bluetooth) |
| Warranty | 5 years | 5 years |
| Released | 2024-04 | 2023-04 |