A concealment device comprises a housing (9), a screen (2), a winding tube and an electrical energy storage device (33), comprising a battery (24) and two supports (37). Each support (37) is fixed against a first interior surface (9ai) of a first wall (9a)...

A concealment device comprises a housing, a screen, a winding tube, and an electrical energy storage device (33), comprising a battery (24) and two supports (37), fixed against an interior surface of a wall of the housing and maintaining the battery (24) i...