BATTERY ASSEMBLY, IN PARTICULAR FOR USE IN AN ELECTRICAL PROPULSION VTOL AIRCRAFT, AND ELECTRICAL PROPULSION VTOL AIRCRAFT COMPRISING SUCH A BATTERY ASSEMBLY

The present invention relates to a battery assembly (10), comprising a battery box (100), comprising a housing (100a) including a base plate (102) and a cover (104); at least one battery cell stack mounted inside the housing (100a), wherein each of the battery cell stacks in turn comprises a plurality of battery cells stacked on top of the base plate (102) along a stacking direction and electrically connected in series or in parallel; electrical connectors (108) disposed on the outer side of the housing (100a); and an interface unit for coupling with an electronics unit (200); and an electronics unit (200), comprising electronic control components (204); and an interface unit for coupling with the battery box (100); wherein in use the battery box (100) and the electronics unit (200) are interfaced by their such respective interface units such that operation of the at least one battery cell stack is controlled by the electronic control components (204) of the electronics unit (200). Furthermore, the invention relates to an electrical propulsion VTOL aircraft comprising such a battery assembly.