OUPES Mega 2 Pro Portable Power Station
SVT Score, Lower
2,048 Wh LiFePO4 station at 48.8 lb that OUPES says refills from the wall in 76 minutes, with a 1,000 W Anderson DC port and half the Mega 2’s solar input.
$699
We may earn a commission if you buy through this link. It never affects our scores. How this works
Usability
5.4 out of 10It suits an RV or van owner who wants a 1,000 W, 12 to 80 V Anderson DC port and faster wall charging, and who needs no more than 1,000 W of solar or will add a B2 for more.
Strengths
- Full wall charge in 76 minutes at 1,800 Wper OUPES
- Bidirectional Anderson port rated 1,000 W at 12 to 80 V
- Two 140 W USB-C ports
- Expands to a rated 10,240 Wh with four B2 batteries
- Met OUPES's 0 to 80 percent in an hour claim in Herb-O-Matic's test
Drawbacks
- OUPES states the cycle rating as both 4,000 and 3,500 to 80 percent
- Solar input capped at 1,000 Wagainst 2,100 W on the Mega 2
- Shut down with a B2 still at 27 percent before a firmware fix, per The Old Jarhead
- No DC5521 ports and two fewer USB-A ports than the Mega 2
- No OUPES transfer switch or home panel
- Pre-order shipping October 15
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 Input1,000-1,999 W
- Backup Switchover11-20 ms
- Warranty5 Years
- Expandable To10-19.9 kWh
- Weight48.8 lb
At a glance
- 12 outputs including a TT-30R RV outlet
- Over-the-air firmware updates
- App scheduling and a 25-85% backup reserve
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 Pro is a 2,048 Wh LiFePO4 station rated 2,500 W continuous and 3,800 W surge, with a 3,600 W Boost Mode that runs for five minutes, from four 120 V 20 A outlets and a TT-30R 30 A RV outlet, with two 140 W USB-C ports, two 18 W USB-A ports, two 12 V car outlets and a bidirectional Anderson port rated 1,000 W at 12 to 80 V and 30 A. It charges from the wall at 1,800 W or 900 W, which OUPES puts at 76 minutes to 1.5 hours to full, and it takes up to 1,000 W of solar at 12 to 80 V and 30 A, or 2,800 W of AC and solar together. OUPES rates the cells for 4,000 cycles to 80 percent on the product page and 3,500 on its own Mega 2 Pro blog posts, and states a UPS switchover under 20 ms; up to four B2 batteries take it to a rated 10,240 Wh, and each B2 adds its own 2,100 W solar input. It is 120 V only, and OUPES sells no transfer switch or home panel for it. It weighs 48.8 lb, measures 18.8 x 11.6 x 11.6 in and is rated IP21. It is a pre-order shipping October 15, 2026.




