Carrying cases, holders, protective cases and stands featuring power supply connectors, adaptors, speakers and battery charging devices, specially adapted for use with handheld digital electronic devices, namely, cell phones; Chargers for batteries; Chargers for electric batteries; Data cables; Mobile phone cases featuring rechargeable batteries; MP3 players; Rechargeable batteries; Renewable battery system to provide backup power; Stands adapted for mobile phones; Batteries and battery charg...