US Patent 11178958 Harness

A harness for a battery pack that can be worn on the back and that supplies electrical energy to hand-held electrical tools includes a support base and a support strap unit for the support base, as well as a holding device for releasably holding a battery pack in a support position on the support base. The holding device has a docking mechanism on the support base for pivotably docking the battery pack in a docking position, and a securing mechanism on the support base for securing the battery pack in the support position pivoted in towards the support base with respect to the docking position. The docking mechanism is arranged on a lower region of the support base.