An adaptorholder is described which attaches to the front of an existing orthopedic inserterimpactor handle via the handle’s existing threaded interface mechanism. The cells comprise the novel electrolyte K2HPO4, or a less alkaline phosphate buffer solution, electrodes having a modified composition, or a combination of the new electrolyte and a modified composition electrode. In lower parts of the back faces and backward of the cam grooves, there are formed projections provided with position detecting holes. In general, the present system operates by pre-caching advertisements to a set top box or boxes within a household or elsewhere.