OUPES Mega 1 Lite
#6 in Mid-sizeFull review
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 $599$489
The OUPES Mega 1 Lite is the better portable power station overall, rated 4.3 to 4.1. The OUPES Mega 1 Lite leads on battery life and solar input. The OUPES Mega 1 Lite costs $9.99 less ($489 vs $498.99).
EcoFlow DELTA 3 Classic
#21 in Mid-sizeFull review
A low-cost 1kWh LiFePO4 station for home backup and car camping where AC outlets are all you need. Pick the DELTA 3 Plus instead if you want 12V outputs, faster solar charging or an extra battery later.
Amazon $498.99 EcoFlow $499$498.99
Prices 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 battery life (LiFePO4, 3,500 cycles, 5-year warranty vs LiFePO4, 5-year warranty) and solar input (800 W max solar input vs 500 W max solar input).
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 | EcoFlow DELTA 3 Classic |
|---|---|---|
| Overall rating | 4.3/5 | 4.1/5 |
| Value 25% | 83 $0.48 per rated Wh | 82 $0.49 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 | 70 LiFePO4, 5-year warranty |
| AC output 15% | 88 2,000 W continuous AC | 82 1,800 W continuous AC |
| Charging speed 10% | 100 0-100% on AC in 46 min | 95 0-100% on AC in 1 h |
| Portability 10% | 73 85 Wh per kg (26.8 lb (12 kg)) | 72 85 Wh per kg (26.7 lb (12.1 kg)) |
| Solar input 5% | 74 800 W max solar input | 40 500 W max solar input |
| Features 5% | 75 UPS (20 ms), 140 W USB-C, app | 75 UPS (10 ms), 100 W USB-C, app |
Specifications
| OUPES Mega 1 Lite | EcoFlow DELTA 3 Classic | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,024 Wh | 1,024 Wh |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 3,500 to 80% | - |
| Expandable | No | No |
| Output | ||
| AC output | 2,000 W (4,500 W surge) | 1,800 W (3,600 W surge) |
| Boost mode (resistive loads) | - | 2,600 W |
| AC outlets | 4 total | 3 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 2 |
| 120V 2-prong outlets (NEMA 1-15R) | - | 1 |
| AC waveform | - | Pure sine wave |
| USB-C ports | 2 (up to 140 W each) | 2 (up to 100 W each) |
| USB-A ports | 2 | 1 |
| 12 V car outlet | Yes | No |
| DC5521 ports | 0 | 0 |
| UPS / pass-through | Yes (20 ms switchover) | Yes (10 ms switchover) |
| Charging | ||
| AC charging | 1,400 W | 1,400 W |
| Full AC charge time | 46 min | 1 h (0-80% in 45 min) |
| Max solar input | 800 W | 500 W |
| Solar input voltage | 12-78V (MPPT 18-75V, 14A) | - |
| Build | ||
| Weight | 26.8 lb (12 kg) | 26.7 lb (12.1 kg) |
| Dimensions | 15.1 x 9.1 x 11.6 in | 398 x 200 x 283 mm |
| App | OUPES app (Wi-Fi/Bluetooth) | EcoFlow app (Wi-Fi and Bluetooth) |
| Warranty | 5 years | 5 years |