Abstract: The disclosure relates to a universal holder assembly for mobile terminal equipment, for both physically holding and supporting same and for electrically recharging said mobile terminal equipment. This is achieved by a holder assembly comprising either a housing designed with a base surface, said housing having an interior designed to hold mobile terminal equipment, or an adapter element designed with a base surface that can be mechanically and physically connected to a mobile device, the inner and outer faces of the base surface being provided with electrical contact means which are designed and arranged such that an electrical connection can be established between mobile terminal equipment that can be positioned against or on the base surface and the contact means designed on the outer face. The outer face of the base surface is also provided with at least two recesses or depressions, each designed to physically receive an engagement means.