| 摘要 |
The invention relates to a plug-in battery pack ( 1 ) for an electric tool, comprising a mechanical coding ( 16 ) of a coding system ( 30 ), which co-operates with a mechanical counter-coding of the coding system that is assigned to the electric tool, the coding extending in the plug-in direction of the battery pack. According to the invention, the coding comprises at least one recess ( 17 ), which co-operates with a projecting part ( 40 ) on the tool side that forms the counter-coding, said recess and part being on opposite sides. The invention also relates to a corresponding coding system.
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