Battery housing (1) for a driver (9) of a powered surgical tool, the battery housing (1) comprising a casing (2) with an opening for inserting at least one battery into the casing (2), a door (3) for closing the opening when the door (3) is in its closed position, and a driver interface (4) for removeably attaching the battery housing (1) to a driver (9)of a powered surgical tool, wherein the door (3) comprises at least one part (300, 301) that is configured for being blocked by the driver (9) when the door (3) is moved out of its closed position and the battery housing (1) is attached to the driver (9), such that the door (3) cannot be opened when the battery housing (1) is attached to the driver (9). Battery housing (1) and driver (9) assembly, comprising such a battery housing (1) and a driver (9) for a powered surgical tool,wherein the at least one part (300, 301) of the door (3) is blocked by the driver (9) when the door (3) is in its closed position and when the battery housing (1) is attached to the driver (9). Powered surgical tool comprising such a battery housing (1) and driver (9) assembly and a surgical tool configured for attachment to the driver (9).La présente invention concerne un compartiment batterie (1) pour organe d'entraînement (9) d'un outil chirurgical motorisé, le compartiment batterie (1) comprenant un boîtier (2) doté d'une ouverture permettant d'insérer au moins une batterie dans le boîtier (2), une porte (3) permettant de fermer l'ouverture lorsque la porte (3) est en position fermée et une interface d'organe d'entraînement (4) permettant de fixer, de manière amovible, le compartiment batterie (1) à un organe d'entraînement (9) d'un outil chirurgical motorisé. La porte (3) comprend au moins une partie (300, 301) qui est conçue pour être bloquée par l'organe d'entraînement (9) lorsque la porte (3) quitte la position fermée et que le compartiment batterie (1) est fixé à l'organe d'entraînement (9), de manière que la porte (3) ne puisse pas
