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 and the Jackery HomePower 1000 v2 are evenly matched, rated 4.2 and 4.2. The OUPES Mega 1 leads on AC output, solar input and features. The Jackery HomePower 1000 v2 wins on portability.
Jackery HomePower 1000 v2
#17 in Mid-sizeFull review
A light, inexpensive 1kWh LiFePO4 station for short outages and camping that recharges quickly from the wall.
Amazon $549 Jackery $549$549
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 1,500 W continuous AC), solar input (800 W max solar input vs 400 W max solar input) and features (UPS (20 ms), expandable, 100 W USB-C, app vs UPS (10 ms), 100 W USB-C, app).
- Choose the Jackery HomePower 1000 v2 for portability (96 Wh per kg (23.4 lb (10.6 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 | Jackery HomePower 1000 v2 |
|---|---|---|
| Overall rating | 4.2/5 | 4.2/5 |
| 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, 6,000 cycles, 5-year warranty |
| AC output 15% | 88 2,000 W continuous AC | 70 1,500 W continuous AC |
| Charging speed 10% | 96 0-100% on AC in 58 min | 100 0-100% on AC in 50 min |
| Portability 10% | 66 81 Wh per kg (27.8 lb (12.6 kg)) | 94 96 Wh per kg (23.4 lb (10.6 kg)) |
| Solar input 5% | 74 800 W max solar input | 28 400 W max solar input |
| Features 5% | 100 UPS (20 ms), expandable, 100 W USB-C, app | 75 UPS (10 ms), 100 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. |
Jackery HomePower 1000 v2
No independent test published yet.
Specifications
| OUPES Mega 1 | Jackery HomePower 1000 v2 | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,024 Wh | 1,024 Wh |
| Tested usable capacity | 809 Wh (79%) | - |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 3,500 to 80% | 6,000 to 70%+ |
| Expandable | Yes, up to 5,120 Wh | No |
| Output | ||
| AC output | 2,000 W (4,500 W surge) | 1,500 W (3,000 W surge) |
| AC outlets | 4 total | 3 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 3 |
| AC waveform | - | Pure sine wave |
| USB-C ports | 2 (up to 100 W each) | 2 (up to 100 W each) |
| USB-A ports | 4 | 1 |
| 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 | - |
| 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) | 50 min (50 min in Emergency mode; 1.25 hr default) |
| Max solar input | 800 W | 400 W |
| Solar input voltage | 12-78V (MPPT 18-75V, 14A) | 2 x DC8020 inputs |
| Car charging | 96 W | 96 W |
| Build | ||
| Weight | 27.8 lb (12.6 kg) | 23.4 lb (10.6 kg) |
| Dimensions | 15.1 x 9.1 x 11.6 in | 12.4 x 7.9 x 9.2 in |
| App | OUPES app (Wi-Fi/Bluetooth) | Jackery app |
| Warranty | 5 years | 5 years |
| Released | 2025-07 | 2026-06 |