A hand-held device for electrically powered skin treatment is disclosed. The device includes a first outer electrode, a second outer electrode, and a plurality of rechargeable batteries. The plurality of batteries are disposed in a compartment where the compartment is covered by a shell-like housing cover and where an outside of the housing cover is a section of an exterior area of a device housing. The compartment is covered by a removable compartment cover where an inner side of the compartment cover is directed toward the plurality of batteries in the compartment and where a connector socket with at least two poles is disposed on an outer side of the compartment cover. The compartment cover is located within the housing cover. A charging circuit is coupled to the plurality of batteries.