A simpler, non-expandable Mega 1 for people who want 2000W of output and fast charging without the extra-battery option. Check the Mega 1 price first, as it is often cheaper.
Amazon $489 OUPES $599The OUPES Mega 1 Lite is the better portable power station overall, rated 4.3 to 4.0. The OUPES Mega 1 Lite leads on value and portability. The Dabbsson DBS1000 Pro wins on solar input and features. The OUPES Mega 1 Lite costs $130 less ($489 vs $619).
For buyers who want a 1 kWh station that can run high-wattage appliances and grow into a larger home-backup system later. Campers who just need 1 kWh can save weight and money with a non-expandable unit.
Amazon $619 Dabbsson $619Prices 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 OUPES Mega 1 Lite for value ($0.48 per rated Wh vs $0.60 per rated Wh) and portability (85 Wh per kg (26.8 lb (12 kg)) vs 66 Wh per kg (34.4 lb (15.6 kg))).
- Choose the Dabbsson DBS1000 Pro for solar input (1,200 W max solar input vs 800 W max solar input) and features (UPS (15 ms), expandable, 100 W USB-C, app vs UPS (20 ms), 140 W USB-C, app).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every mid-size portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | OUPES Mega 1 Lite | Dabbsson DBS1000 Pro |
|---|---|---|
| Overall rating | 4.3/5 | 4.0/5 |
| Value 25% | 83 $0.48 per rated Wh | 66 $0.60 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% | 96 LiFePO4, 3,500 cycles, 5-year warranty | 100 Semi-solid-state LiFePO4, 4,500 cycles, 5-year warranty |
| AC output 15% | 88 2,000 W continuous AC | 88 2,000 W continuous AC |
| Charging speed 10% | 100 0-100% on AC in 46 min | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 73 85 Wh per kg (26.8 lb (12 kg)) | 38 66 Wh per kg (34.4 lb (15.6 kg)) |
| Solar input 5% | 74 800 W max solar input | 100 1,200 W max solar input |
| Features 5% | 75 UPS (20 ms), 140 W USB-C, app | 100 UPS (15 ms), expandable, 100 W USB-C, app |
Specifications
| OUPES Mega 1 Lite | Dabbsson DBS1000 Pro | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,024 Wh | 1,024 Wh |
| Chemistry | LiFePO4 | Semi-solid-state LiFePO4 |
| Cycle life | 3,500 to 80% | 4,500 to 80% |
| Expandable | No | Yes, up to 5,120 Wh |
| Output | ||
| AC output | 2,000 W (4,500 W surge) | 2,000 W (4,000 W surge) |
| Boost mode (resistive loads) | - | 3,000 W |
| AC outlets | 4 total | 4 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 4 |
| AC waveform | - | Pure sine wave |
| USB-C ports | 2 (up to 140 W each) | 3 (up to 100 W each) |
| USB-A ports | 2 | 3 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 0 | 2 |
| UPS / pass-through | Yes (20 ms switchover) | Yes (15 ms switchover) |
| Charging | ||
| AC charging | 1,400 W | 1,200 W |
| Full AC charge time | 46 min | - |
| Max solar input | 800 W | 1,200 W |
| Solar input voltage | 12-78V (MPPT 18-75V, 14A) | 12-60V, 25A max |
| Build | ||
| Weight | 26.8 lb (12 kg) | 34.4 lb (15.6 kg) |
| Dimensions | 15.1 x 9.1 x 11.6 in | 17 x 10 x 9.98 in |
| App | OUPES app (Wi-Fi/Bluetooth) | Dabbsson app |
| Warranty | 5 years | 5 years |
