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 $489The OUPES Mega 1 Lite and the BLUETTI AC180 are evenly matched, rated 4.4 and 4.4. The OUPES Mega 1 Lite leads on portability and solar input. The BLUETTI AC180 wins on value, tested capacity and features. The BLUETTI AC180 costs $40 less ($449 vs $489).
A heavy but efficient older 1.1kWh LiFePO4 unit that remains a strong value buy when discounted; the Elite 100 V2 is its lighter replacement.
Amazon $449Prices 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 Lite for portability (85 Wh per kg (26.8 lb (12 kg)) vs 72 Wh per kg (35.3 lb (16 kg))) and solar input (800 W max solar input vs 500 W max solar input).
- Choose the BLUETTI AC180 for value ($0.39 per rated Wh vs $0.48 per rated Wh), tested capacity (86% of rated capacity delivered (2 tests) vs 83% of rated capacity delivered (1 test)) and features (UPS (20 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 | BLUETTI AC180 |
|---|---|---|
| Overall rating | 4.4/5 | 4.4/5 |
| Value 25% | 83 $0.48 per rated Wh | 95 $0.39 per rated Wh |
| Tested capacity 15% | 61 83% of rated capacity delivered (1 test) | 72 86% of rated capacity delivered (2 tests) |
| Battery life 15% | 96 LiFePO4, 3,500 cycles, 5-year warranty | 96 LiFePO4, 3,500 cycles, 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)) | 49 72 Wh per kg (35.3 lb (16 kg)) |
| Solar input 5% | 74 800 W max solar input | 33 500 W max solar input |
| Features 5% | 75 UPS (20 ms), 140 W USB-C, app | 100 UPS (20 ms), expandable, 100 W USB-C, app |
Independent capacity tests
OUPES Mega 1 Lite
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| CNET | 855 Wh | 83% | 480W load logged with HOBOware; round-trip efficiency 79.93%; recharge from empty 44 min. |
BLUETTI AC180
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| PCWorld | 970 Wh | 84% | 800W space-heater load. |
| PCWorld | 1,007 Wh | 87% | 200W incandescent-bulb load. |
Specifications
| OUPES Mega 1 Lite | BLUETTI AC180 | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,024 Wh | 1,152 Wh |
| Tested usable capacity | 855 Wh (83%) | 988 Wh (86%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 3,500 to 80% | 3,500 |
| Expandable | No | Yes |
| Output | ||
| AC output | 2,000 W (4,500 W surge) | 1,800 W (2,700 W surge) |
| Boost mode (resistive loads) | - | 2,700 W |
| AC outlets | 4 total | 4 total |
| 120V 15A outlets (NEMA 5-15R) | - | 4 |
| 120V 20A outlets (NEMA 5-20R) | 4 | - |
| AC waveform | - | Pure sine wave |
| USB-C ports | 2 (up to 140 W each) | 1 (100 W) |
| USB-A ports | 2 | 4 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 0 | 0 |
| UPS / pass-through | Yes (20 ms switchover) | Yes (20 ms switchover) |
| Charging | ||
| AC charging | 1,400 W | 1,440 W |
| Full AC charge time | 46 min | 1 h (0-80% in 45 min (manufacturer)) |
| Max solar input | 800 W | 500 W |
| Solar input voltage | 12-78V (MPPT 18-75V, 14A) | - |
| Car charging | 96 W | - |
| Build | ||
| Weight | 26.8 lb (12 kg) | 35.3 lb (16 kg) |
| Dimensions | 15.1 x 9.1 x 11.6 in | 13.4 x 9.7 x 12.5 in |
| App | OUPES app (Wi-Fi/Bluetooth) | Bluetooth |
| Warranty | 5 years | 5 years |
| Released | 2026-05 | 2023-05 |
