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I already build different vehicles from old Hoverboard motors and controllers, but after seeing and test-driving ;_) the 4wd quad from MaakMeneers at Makerfair Hannover 2024 i knew i had to build something like that as well…
The Battery is a DIY 12S LiFePo4 pack build from EVE C40 Cells from NKON cells. Its ~36.4(40)V, 20Ah resulting in over 0.7kWh. The Cells are cased in 3d printed holders, coversd by 6mm HPL Plates. A JK-BD6A24S8P JK-BMS manages cell balancing and protection.