OUPES Mega 2 Portable Power Station
SVT Score, Mid
2,048 Wh LiFePO4 station at 48.5 lb with 2,100 W of rated solar input and room for four B2 batteries; Jasonoid drew 1,780 Wh of it on AC, 86.9 percent of rated.
$729
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Usability
5.2 out of 10It suits an RV owner or home-backup buyer with high-voltage solar panels who wants 2 kWh now and room for 10 kWh later, and who will not lean on a surge rating that failed under test.
Strengths
- 1,780 Wh drawn on AC by Jasonoid86.9 percent of rated
- Up to 2,100 W of solar at 12 to 148 V
- Expands to a rated 10,240 Wh with four B2 batteries
- UPS switchover measured at 17 ms by Jasonoid
- TT-30R RV outlet and a 12 V 30 A Anderson output
Drawbacks
- Shut off at once under a 3,000 W load in TheSolarLab's test, against a 5,400 W surge rating
- A 15 A solar limit makes 2,100 W hard to reach with common panels
- Full wall charge took 2 hours 7 minutes in TheSolarLab's test
- Battery drains at idle even with the inverter offper TheSolarLab
- OUPES lists the weight as both 48.5 lb and 45.8 lb
- No OUPES transfer switch or home panel
Specs
- Capacity2,000-2,999 Wh
- AC Output2,000-2,999 W
- Output Voltage120 V only
- Battery ChemistryLiFePO4
- Rated Cycles3,000-3,999 cycles
- Safety ListingNone verifiable
- Solar Input2,000-3,999 W
- Backup Switchover11-20 ms
- Warranty5 Years
- Expandable To10-19.9 kWh
- Weight48.5 lb
At a glance
- 15 outputs including a TT-30R RV outlet
- 12 V 30 A Anderson DC output
- Wi-Fi and Bluetooth app control
OUPES is the brand of Shenzhen Jiexun Energy Storage Co., Ltd., registered in 2021, and OUPES Inc of Rialto, California, sells its stations in the US.
It sells direct from oupes.com, through its own OUPES store on Amazon US, and as a marketplace seller on Walmart.com and Lowe's.com.
The OUPES Mega 2 is a 2,048 Wh LiFePO4 station rated 2,500 W continuous and 5,400 W surge from four 120 V 20 A outlets and a TT-30R 30 A RV outlet, with two 100 W USB-C ports, four 18 W USB-A ports, two 12 V DC5521 ports, a 12 V car outlet and a 12 V 30 A Anderson output. It charges from the wall at 1,600 W or 800 W, which OUPES puts at about 2 hours or more to full, and it takes up to 2,100 W of solar at 12 to 148 V and 15 A, or 3,700 W of AC and solar together. OUPES rates the cells for 3,500 cycles to 80 percent capacity and states a UPS switchover under 20 ms, and up to four B2 batteries take it to a rated 10,240 Wh. It is 120 V only, and OUPES sells no transfer switch or home panel for it. It weighs 48.5 lb, measures 18.1 x 10.6 x 12.0 in and is rated IP21.




