Mobile Phone Charging Battery Seat of Railroad Subway or Vechicle or Power Supply Board and Electronic Appliances that are Installed with DC Jack and DC Plug Cable for the Supply Demand and Charging of Electric Power of the Mobile Phones

摘要

The present invention provides a mobile phone, a rechargeable battery, a seat (or a power supply board, etc.), an electronic product, and a power supply of a mobile phone equipped with a DC jack which is a supply / charge device of a secondary power supply of a mobile phone. DC plug-plug wire for supply / charging. A cell phone equipped with a DC jack can supply secondary power to another cell phone that is depleted through a DC plug-plug wire for connection, or when a cell phone is required, another cell phone equipped with a DC jack, a rechargeable battery, The power supply can be supplied / charged from the seat of a railway (subway) or a vehicle (or a power supply board, etc.) or an electronic product through a DC plug-plug wire.;DC jack, DC plug-plug wire, mobile phone equipped with DC jack, rechargeable battery, seat (or power supply board, etc.) and electronic products of railway (subway) or vehicle