OUPES Exodus 350
#4 in SmallFull review
A light, well-warrantied LiFePO4 station for laptops, CPAP, phones and keeping Wi-Fi up during outages.
Amazon $199.99$199.99
The OUPES Exodus 350 is the better portable power station overall, rated 3.8 to 3.5. The OUPES Exodus 350 leads on features, solar input and AC output.
Dabbsson 300E
#18 in SmallFull review
For campers and travelers who want a light LiFePO4 battery for phones, laptops, lights and a CPAP. Its 300W ceiling and slow wall charging rule out appliances.
Amazon $199 Dabbsson $199$199
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 OUPES Exodus 350 for features (UPS (10 ms), 140 W USB-C, app vs app), solar input (240 W max solar input vs 120 W max solar input) and AC output (350 W continuous AC vs 300 W continuous AC).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every small portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | OUPES Exodus 350 | Dabbsson 300E |
|---|---|---|
| Overall rating | 3.8/5 | 3.5/5 |
| Value 25% | 79 $0.69 per rated Wh | 81 $0.67 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 LiFePO4, 4,000 cycles, 5-year warranty | 100 Semi-solid-state LiFePO4, 4,000 cycles, 5-year warranty |
| AC output 15% | 51 350 W continuous AC | 41 300 W continuous AC |
| Charging speed 10% | 50 full AC charge time not published (neutral score used) | 6 0-100% on AC in 3 h 48 min |
| Portability 10% | 44 69 Wh per kg (9.2 lb (4.2 kg)) | 45 70 Wh per kg (9.4 lb (4.3 kg)) |
| Solar input 5% | 80 240 W max solar input | 30 120 W max solar input |
| Features 5% | 75 UPS (10 ms), 140 W USB-C, app | 20 app |
Specifications
| OUPES Exodus 350 | Dabbsson 300E | |
|---|---|---|
| Battery | ||
| Rated capacity | 288 Wh | 298 Wh |
| Chemistry | LiFePO4 | Semi-solid-state LiFePO4 |
| Cycle life | 4,000 4000+ cycles to 80% | 4,000 to 80% |
| Expandable | No | No |
| Output | ||
| AC output | 350 W (600 W surge) | 300 W (600 W surge) |
| AC outlets | 2 total | 2 total |
| 120V 15A outlets (NEMA 5-15R) | - | 1 |
| 120V 20A outlets (NEMA 5-20R) | 1 | - |
| 120V 2-prong outlets (NEMA 1-15R) | 1 | 1 |
| AC waveform | - | Pure sine wave |
| USB-C ports | 2 (up to 140 W each) | 1 (60 W) |
| USB-A ports | 2 | 2 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 0 | 1 |
| UPS / pass-through | Yes (10 ms switchover) | - |
| Charging | ||
| AC charging | 200 W | 100 W |
| Full AC charge time | - | 3 h 48 min |
| Max solar input | 240 W | 120 W |
| Solar input voltage | 12-35V | 12-30V, 6A max (AC + solar combined up to 220W) |
| Car charging | 96 W | 120 W |
| Build | ||
| Weight | 9.2 lb (4.2 kg) | 9.4 lb (4.3 kg) |
| Dimensions | 9.5 x 8.8 x 5.9 in | 11.7 x 7.2 x 7 in |
| App | OUPES app (Wi-Fi/Bluetooth) | Dabbsson app |
| Warranty | 5 years | 5 years |
| Released | 2026-08 | 2025-05 |