Mobile container unit for maintenance and / or repair of battery systems and / or battery modules, systems with at least one such container unit as well as methods for the use of such a container unit

The present invention relates to a mobile container unit (1) for maintenance and / or repair of battery systems and / or battery modules (18) comprising one of the walls (6) enclosed work space (2), at least one delivery device (5, 5 ') for the introduction of objects in the working space (2), at least one tool (3) and at least one operating device (4) for operating the at least one tool (3), wherein the at least one operating device (4) by a user outside the working space (2) at least partially is controllable. Furthermore, the present invention relates to a system comprising a plurality of container units which are connected together modular, wherein at least one container unit is a container unit according to the invention (1). Moreover, the present invention relates to a method for use of a mobile container unit according to the invention (1).