Honestly the best thing we saw at CES onewheel CES

EVV001-OW521-00001-00-G 52.8V 2500mAh is in sale since Tuesday, March 10, 2020. Listing and template services provided by inkFrog. Each cell is 3.3V. This item can be shipped to United States. I checked each battery pack and they measure 52.5 -52.6V.