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Mobiles are becoming a part of our daily life and the usages of mobile phones are increasing day by day to simplify our lifestyle. The charging in the battery is very important to operate the mobile. However, the availability of charging points is very difficult to find in public places including bus stands, railway stations, most populated areas etc. Hence installing a charging device to charge various mobiles effectively is needed at many places in the society. Moreover, unlimited power supply is required to such a device for an effective operation. Further the utilizing of renewable energy sources to provide sufficient power supply to the charging device will be more effective. Renewable energy sources such as Photovoltaic (PV) and wind based hybrid power supply systemsare incorporated into the charging device to supply required reliable power. However, different voltage levels are required to charge batteries of various mobiles. Hence, a multi-output dc to dc converter along with a master control unit is implemented in this paper. OPAL RT modules are utilized to create a Hardware-in-the-Loop (HIL) system, which showcases outcomes across different operational modes.