Exway Flex ProThe Flex Pro pack uses 21700 4000mAh 3.65V high discharge li-ion cells in a 12S2P configuration. The pack has a rated capacity of 345Wh.Features of Exway Flex Pro Up to 50 kmh Top Speed Super Flex Deck 345Wh Swappable Battery Swappable Drive Systems ExSkate AppSpecification of Exway Flex ProProduct DetailsColor BlackDimensions ..