Harness

A harness has a support base and a support strap unit for the support base, and 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 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, and the securing mechanism has a securing slide which is arranged displaceably on the support base between a release position and a securing position and has a securing hook, or a securing lever which is arranged pivotably on the support base between a release position and a securing position and has a securing bow. The securing hook or securing bow is designed to engage securely behind a corresponding mating securing element of the battery pack in the support position.