Battery pack system for hand-held power tools

摘要

A battery pack system for hand power tools has a plurality of battery packs having different sizes, each of the battery packs having a housing with one side provided with a contact elements for an electrical connection between the battery pack and an electrical drive of a hand power tool and with arresting elements for fixing the battery pack on a housing of a hand power tool, wherein in all the battery packs a geometry of the arresting and contact elements is identical.