OUPES Mega 1 Lite
#5 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 $499 eBay$499
The OUPES Mega 1 Lite is the better portable power station overall, rated 4.4 to 4.1. The OUPES Mega 1 Lite leads on portability and solar input. The ALLPOWERS R1500 wins on features. The OUPES Mega 1 Lite costs $40 less ($499 vs $539).
Prices were last checked November 3, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.
ALLPOWERS R1500
#21 in Mid-sizeFull review
A low-cost expandable LiFePO4 station for home backup at moderate loads. Testing suggests it struggles near its rated 1,800W, so keep heavy loads well below that.
ALLPOWERS $539 eBay$539
Which should you buy?
- Choose the OUPES Mega 1 Lite for portability (85 Wh per kg (26.8 lb (12 kg)) vs 69 Wh per kg (36.8 lb (16.7 kg))) and solar input (800 W max solar input vs 650 W max solar input).
- Choose the ALLPOWERS R1500 for features (UPS (15 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 | ALLPOWERS R1500 |
|---|---|---|
| Overall rating | 4.4/5 | 4.1/5 |
| Value 25% | 82 $0.49 per rated Wh | 84 $0.47 per rated Wh |
| Tested capacity 15% | 61 83% of rated capacity delivered (1 test) | 59 83% of rated capacity delivered (1 test) |
| 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 | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 73 85 Wh per kg (26.8 lb (12 kg)) | 44 69 Wh per kg (36.8 lb (16.7 kg)) |
| Solar input 5% | 74 800 W max solar input | 49 650 W max solar input |
| Features 5% | 75 UPS (20 ms), 140 W USB-C, app | 100 UPS (15 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. |
ALLPOWERS R1500
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 83% | Re-test at a 1,326W AC load ran 43.5 minutes, about 83% of rated capacity. A first run at 1,560W overheated and shut down after 25 minutes. |
Specifications
| OUPES Mega 1 Lite | ALLPOWERS R1500 | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,024 Wh | 1,152 Wh |
| Tested usable capacity | 855 Wh (83%) | 956 Wh (83%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 3,500 to 80% | 3,500 3,500+ cycles (manufacturer; end-of-life capacity not stated) |
| Expandable | No | Yes, up to 4,608 Wh |
| Output | ||
| AC output | 2,000 W (4,500 W surge) | 1,800 W (3,000 W surge) |
| AC outlets | 4 total | 4 total |
| 120V 20A outlets (NEMA 5-20R) | 4 | 4 |
| AC waveform | - | Pure sine wave |
| USB-C ports | 2 (up to 140 W each) | 2 (up to 100 W each) |
| USB-A ports | 2 | 2 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 0 | 0 |
| UPS / pass-through | Yes (20 ms switchover) | Yes (15 ms switchover) |
| Charging | ||
| AC charging | 1,400 W | 1,500 W |
| Full AC charge time | 46 min | - |
| Max solar input | 800 W | 650 W |
| Solar input voltage | 12-78V (MPPT 18-75V, 14A) | 12-60V, 13A |
| Car charging | 96 W | - |
| Build | ||
| Weight | 26.8 lb (12 kg) | 36.8 lb (16.7 kg) |
| Dimensions | 15.1 x 9.1 x 11.6 in | 16.25 x 12.28 x 10.43 in |
| App | OUPES app (Wi-Fi/Bluetooth) | ALLPOWERS app (Wi-Fi/Bluetooth) |
| Warranty | 5 years | 5 years |
| Released | 2026-05 | 2024-02 |