OUPES Mega 1
#13 in Mid-sizeFull review
A strong 1kWh home-backup station with a big inverter and room to expand, often sold well below list price on Amazon.
Amazon $549$549
The OUPES Mega 1 is the better portable power station overall, rated 4.2 to 3.7. The OUPES Mega 1 leads on AC output, solar input and features. The OUPES Exodus 700 wins on portability. The OUPES Exodus 700 costs $239.01 less ($309.99 vs $549).
OUPES Exodus 700
#32 in Mid-sizeFull review
A compact mid-size LiFePO4 station for camping and short outages, with a long warranty and a useful 140W USB-C port.
Amazon $309.99$309.99
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 Mega 1 for AC output (2,000 W continuous AC vs 700 W continuous AC), solar input (800 W max solar input vs 240 W max solar input) and features (UPS (20 ms), expandable, 100 W USB-C, app vs UPS (10 ms), 140 W USB-C, app).
- Choose the OUPES Exodus 700 for portability (91 Wh per kg (13.9 lb (6.3 kg)) vs 81 Wh per kg (27.8 lb (12.6 kg))).
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 | OUPES Exodus 700 |
|---|---|---|
| Overall rating | 4.2/5 | 3.7/5 |
| Value 25% | 75 $0.54 per rated Wh | 75 $0.54 per rated Wh |
| Tested capacity 15% | 41 79% of rated capacity delivered (1 test) | 50 not yet independently tested (neutral score used) |
| Battery life 15% | 96 LiFePO4, 3,500 cycles, 5-year warranty | 100 LiFePO4, 4,000 cycles, 5-year warranty |
| AC output 15% | 88 2,000 W continuous AC | 21 700 W continuous AC |
| Charging speed 10% | 96 0-100% on AC in 58 min | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 66 81 Wh per kg (27.8 lb (12.6 kg)) | 84 91 Wh per kg (13.9 lb (6.3 kg)) |
| Solar input 5% | 74 800 W max solar input | 31 240 W max solar input |
| Features 5% | 100 UPS (20 ms), expandable, 100 W USB-C, app | 75 UPS (10 ms), 140 W USB-C, app |
Independent capacity tests
OUPES Mega 1
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 79% | 1,779W appliance load ran for 27 minutes. |
OUPES Exodus 700
No independent test published yet.
Specifications
| OUPES Mega 1 | OUPES Exodus 700 | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,024 Wh | 576 Wh |
| Tested usable capacity | 809 Wh (79%) | - |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 3,500 to 80% | 4,000 4000+ cycles to 80% |
| Expandable | Yes, up to 5,120 Wh | No |
| Output | ||
| AC output | 2,000 W (4,500 W surge) | 700 W (1,200 W surge) |
| AC outlets | 4 total | 2 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 1 |
| 120V 2-prong outlets (NEMA 1-15R) | - | 1 |
| USB-C ports | 2 (up to 100 W each) | 2 (up to 140 W each) |
| USB-A ports | 4 | 2 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 2 | 0 |
| UPS / pass-through | Yes (20 ms switchover) | Yes (10 ms switchover) |
| Charging | ||
| AC charging | 1,400 W | 400 W |
| Full AC charge time | 58 min (OUPES: full in 36 min with AC plus solar (2200W). The Amazon listing says 36 min to 80%. AC-only time not published) | - |
| Max solar input | 800 W | 240 W |
| Solar input voltage | 12-78V (MPPT 18-75V, 14A) | 12-35V |
| Car charging | 96 W | 96 W |
| Build | ||
| Weight | 27.8 lb (12.6 kg) | 13.9 lb (6.3 kg) |
| Dimensions | 15.1 x 9.1 x 11.6 in | 9.6 x 9.1 x 7.3 in |
| App | OUPES app (Wi-Fi/Bluetooth) | OUPES app (Wi-Fi/Bluetooth) |
| Warranty | 5 years | 5 years |
| Released | 2025-07 | 2026-08 |