Functional element and tool system

The utility model relates to a functional element used for storing and/or transporting objects such as tools, tool parts and/or accessories, the functional element is provided with a base body and at least one first interface, the first interface is constructed in such a way that the functional element can be mechanically connected with a first matching interface of a charger used for a storage battery pack of a handheld machine tool. The utility model further relates to a tool system with the functional element. 本实用新型涉及一种用于保存和/或运输如工具、工具部件和/或配件的物体的功能元件，具有基体以及至少一个第一接口，其中，所述第一接口这样构造，所述功能元件可以与用于手持式工具机的蓄电池组的充电器的第一配合接口机械连接。本实用新型还涉及一种具有这种功能元件的工具系统。