US Patent 11289935 Battery-based power device

A battery-based wireless power device for clamping onto a furniture article is provided. The battery-based wireless power device includes an upper housing having an electrical connector, such as an AC outlet or USB plug, and a lower housing operatively connected to the upper housing. The upper housing and the lower housing are positioned substantially parallel to one another and define a mounting cavity therebetween configured for removable attachment to an edge of the furniture article. The battery-powered device provides power through the use of a self-contained electrical power source, such as a rechargeable battery. The rechargeable battery can be removed, replaced with a charged battery, and recharged for later use.