OUPES Mega 3
#5 in Home backupFull review
A big home-backup station with a 3600W inverter, RV outlet and massive solar input, for households that want to run large appliances through outages.
OUPES $1,199$1,199
The OUPES Mega 3 is the better portable power station overall, rated 4.0 to 3.8. The OUPES Mega 3 leads on features, value and portability. The Anker SOLIX F3000 wins on solar input. The OUPES Mega 3 costs $199.98 less ($1,199 vs $1,398.98).
Anker SOLIX F3000
#16 in Home backupFull review
For RV and home-backup users who want 3 kWh and a TT-30R outlet at a lower price than the F3800 Plus.
Amazon $1,398.98 Anker $1,398.98$1,398.98
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 3 for features (UPS (20 ms), expandable, 100 W USB-C, app vs UPS (20 ms)), value ($0.39 per rated Wh vs $0.46 per rated Wh) and portability (81 Wh per kg (83.3 lb (37.8 kg)) vs 74 Wh per kg (91.5 lb (41.5 kg))).
- Choose the Anker SOLIX F3000 for solar input (2,400 W max solar input vs 2,100 W max solar input).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every home backup portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | OUPES Mega 3 | Anker SOLIX F3000 |
|---|---|---|
| Overall rating | 4.0/5 | 3.8/5 |
| Value 25% | 86 $0.39 per rated Wh | 76 $0.46 per rated Wh |
| Tested capacity 15% | 73 86% of rated capacity delivered (1 test) | 73 86% of rated capacity delivered (1 test) |
| Battery life 15% | 96 LiFePO4, 3,500 cycles, 5-year warranty | 100 LiFePO4, 4,000 cycles, 5-year warranty |
| AC output 15% | 37 3,600 W continuous AC | 37 3,600 W continuous AC |
| Charging speed 10% | 50 full AC charge time not published (neutral score used) | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 66 81 Wh per kg (83.3 lb (37.8 kg)) | 53 74 Wh per kg (91.5 lb (41.5 kg)) |
| Solar input 5% | 63 2,100 W max solar input | 74 2,400 W max solar input |
| Features 5% | 100 UPS (20 ms), expandable, 100 W USB-C, app | 35 UPS (20 ms) |
Independent capacity tests
OUPES Mega 3
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 86% | 2,968W appliance load ran for 53.5 minutes. The article states 3,720Wh capacity in one place; the runtime math matches the rated 3,072Wh. |
Anker SOLIX F3000
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| CNET | 2,646 Wh | 86.1% | 480W load logged with HOBOware; round-trip efficiency 74.62%; recharge 2 h 20 min |
Specifications
| OUPES Mega 3 | Anker SOLIX F3000 | |
|---|---|---|
| Battery | ||
| Rated capacity | 3,072 Wh | 3,072 Wh |
| Tested usable capacity | 2,642 Wh (86%) | 2,646 Wh (86%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 3,500 to 80% | 4,000 |
| Expandable | Yes, up to 15,360 Wh | - |
| Output | ||
| AC output | 3,600 W (7,000 W surge) | 3,600 W (7,200 W surge) |
| Boost mode (resistive loads) | - | 4,860 W |
| AC outlets | 6 total | 5 total |
| 120V 20A outlets (NEMA 5-20R) | 5 | 4 |
| RV 30A outlet (TT-30R) | 1 | 1 |
| USB-C ports | 2 (up to 100 W each) | - |
| USB-A ports | 4 | - |
| 12 V car outlet | Yes | - |
| DC5521 ports | 2 | - |
| UPS / pass-through | Yes (20 ms switchover) | Yes (20 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | - |
| Max solar input | 2,100 W | 2,400 W |
| Solar input voltage | 12-148V (MPPT 18-140V, 15A) | HV input 1600W + LV input 800W |
| Build | ||
| Weight | 83.3 lb (37.8 kg) | 91.5 lb (41.5 kg) |
| Dimensions | 25.2 x 11.9 x 17.2 in | - |
| App | OUPES app (Wi-Fi/Bluetooth) | - |
| Warranty | 5 years | 5 years |