OUPES Mega 2 Pro
#8 in LargeFull review
A 2kWh LiFePO4 station with an RV outlet and large expansion for home backup and RV owners on a budget.
OUPES $699$699
The OUPES Mega 2 Pro is the better portable power station overall, rated 4.1 to 3.9. The OUPES Mega 2 Pro leads on AC output, value and battery life. The BLUETTI FridgePower wins on portability. The OUPES Mega 2 Pro costs $200 less ($699 vs $899).
BLUETTI FridgePower
#21 in LargeFull review
For homeowners who want a set-and-forget battery backup that hides beside or behind the refrigerator. It is a poor fit for camping or job sites, where its weight, shape and two outlets work against it.
Amazon $1,699 BLUETTI $899$899
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 2 Pro for AC output (2,500 W continuous AC vs 1,800 W continuous AC), value ($0.34 per rated Wh vs $0.45 per rated Wh) and battery life (LiFePO4, 4,000 cycles, 5-year warranty vs LiFePO4, 4,000 cycles).
- Choose the BLUETTI FridgePower for portability (102 Wh per kg (43.4 lb (19.7 kg)) vs 93 Wh per kg (48.8 lb (22.1 kg))).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | OUPES Mega 2 Pro | BLUETTI FridgePower |
|---|---|---|
| Overall rating | 4.1/5 | 3.9/5 |
| Value 25% | 94 $0.34 per rated Wh | 78 $0.45 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 71 86% of rated capacity delivered (1 test) |
| Battery life 15% | 100 LiFePO4, 4,000 cycles, 5-year warranty | 85 LiFePO4, 4,000 cycles |
| AC output 15% | 58 2,500 W continuous AC | 21 1,800 W continuous AC |
| Charging speed 10% | 50 full AC charge time not published (neutral score used) | 71 0-100% on AC in 1 h 45 min |
| Portability 10% | 87 93 Wh per kg (48.8 lb (22.1 kg)) | 100 102 Wh per kg (43.4 lb (19.7 kg)) |
| Solar input 5% | 40 1,000 W max solar input | 41 1,000 W max solar input |
| Features 5% | 100 UPS (20 ms), expandable, 140 W USB-C, app | 80 UPS (10 ms), expandable, app |
Independent capacity tests
OUPES Mega 2 Pro
No independent test published yet.
BLUETTI FridgePower
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| APH Networks | 1,727 Wh | 85.7% | Constant 1,016 W electric heater load from full to shutoff (1 h 42 min). Measured AC charge 0-80% in 1 h 46 min in Standard mode. |
Specifications
| OUPES Mega 2 Pro | BLUETTI FridgePower | |
|---|---|---|
| Battery | ||
| Rated capacity | 2,048 Wh | 2,016 Wh |
| Tested usable capacity | - | 1,727 Wh (86%) |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 4,000 4000+ cycles to 80% | 4,000 BLUETTI rates it for over 4,000 cycles; APH Networks reports the claim as 80% capacity after 4,000 cycles |
| Expandable | Yes, up to 10,240 Wh | Yes, up to 8,064 Wh |
| Output | ||
| AC output | 2,500 W | 1,800 W (3,600 W surge) |
| Boost mode (resistive loads) | 3,600 W | 3,000 W |
| AC outlets | 5 total | 2 |
| 120V 20A outlets (NEMA 5-20R) | 4 | - |
| RV 30A outlet (TT-30R) | 1 | - |
| USB-C ports | 2 (up to 140 W each) | 0 |
| USB-A ports | 2 | 0 |
| 12 V car outlet | Yes | No |
| DC5521 ports | 0 | 0 |
| UPS / pass-through | Yes (20 ms switchover) | Yes (10 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | 1,440 W |
| Full AC charge time | - | 1 h 45 min (0-80% in 60 min, full in 105 min, as reported by APH Networks; BLUETTI's own pages read did not state a time. APH measured 0-80% in 1 h 46 min in Standard mode.) |
| Max solar input | 1,000 W | 1,000 W |
| Solar input voltage | 12-80V (MPPT 18-80V, 30A) | 12-60V, 20 A max (XT60) |
| Car charging | 96 W | - |
| Build | ||
| Weight | 48.8 lb (22.1 kg) | 43.4 lb (19.7 kg) |
| Dimensions | 18.8 x 11.6 x 11.6 in | 22.83 x 13.78 x 3.07 in |
| App | OUPES app (Wi-Fi/Bluetooth) | BLUETTI app (Wi-Fi + Bluetooth; Alexa and Google Home) |
| Warranty | 5 years | - |
| Released | 2026-06 | 2026-06 |