The Dabbsson 3000L is the better portable power station overall, rated 3.9 to 3.7. The Dabbsson 3000L leads on value and portability. The ALLPOWERS R3500 wins on solar input and features. The Dabbsson 3000L costs $425 less ($999 vs $1,424).
For RV owners and home-backup buyers who want 3 kWh and 3000W at a low price in a fixed-size unit. Buyers who may want to add batteries or 240V later should look at expandable models.
Amazon $1,069 Dabbsson $999For home backup on a budget where the unit stays in one place, with room for a second battery later.
ALLPOWERS $1,424Prices 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.
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 3000L | ALLPOWERS R3500 |
|---|---|---|
| Overall rating | 3.9/5 | 3.7/5 |
| Value 25% | 96 $0.33 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, 4,000 cycles, 5-year warranty | 96 LiFePO4, 3,500 cycles, 5-year warranty |
| AC output 15% | 20 3,000 W continuous AC | 26 3,200 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% | 100 119 Wh per kg (56.8 lb (25.8 kg)) | 55 75 Wh per kg (93 lb (42 kg)) |
| Solar input 5% | 28 1,200 W max solar input | 57 2,000 W max solar input |
| Features 5% | 75 UPS (15 ms), 100 W USB-C, app | 100 UPS (15 ms), expandable, 100 W USB-C, app |
| Dabbsson 3000L | ALLPOWERS R3500 | |
|---|---|---|
| Battery | ||
| Rated capacity | 3,072 Wh | 3,168 Wh |
| Chemistry | Semi-solid-state LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80% | 3,500 3,500+ cycles (manufacturer; end-of-life capacity not stated) |
| Expandable | No | Yes, up to 6,336 Wh |
| Output | ||
| AC output | 3,000 W (6,000 W surge) | 3,200 W (6,000 W surge) |
| Boost mode (resistive loads) | 3,600 W | - |
| AC outlets | 7 total | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 3 | 4 |
| 120V 2-prong outlets (NEMA 1-15R) | 3 | - |
| RV 30A outlet (TT-30R) | 1 | 1 |
| AC waveform | Pure sine wave | Pure sine wave |
| USB-C ports | 2 (up to 100 W each) | 2 (up to 100 W each) |
| USB-A ports | 2 | - |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 1 | - |
| UPS / pass-through | Yes (15 ms switchover) | Yes (15 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,500 W |
| Max solar input | 1,200 W | 2,000 W |
| Solar input voltage | 12-60V, 25A max (AC + solar combined up to 1800W) | 12-150V, 40A (XT60) |
| Build | ||
| Weight | 56.8 lb (25.8 kg) | 93 lb (42 kg) |
| Dimensions | 19.1 x 11.5 x 9.5 in | 20.86 x 14.17 x 13.58 in |
| App | Dabbsson app | ALLPOWERS app (Wi-Fi/Bluetooth) |
| Warranty | 5 years | 5 years |
