Dry homogenized metal hydrides, in particular aluminum hydride compounds, as a material for reversible hydrogen storage is provided. The battery includes a cathode, an anode, and an electrolytic solution. The digital television translator also includes a PSIP update module for updating the original PSIP data in the digital transport stream by replacing the RX channel data with TX channel data. The media management system may also interface with the media receiver to set media receiver settings for playing the selected media unit according to the media receiver settings selected for a play mode corresponding to the characteristics of the selected media unit.