Diy 11000mah Power Bank By Electro Retro in CircuitsGadgets8325Save PDFFavoriteIntroduction: Diy 11000mah Power BankBy Electro RetroVisit my YouTube channelFollow More by the author: About: DIY and electronics based projects. More About Electro Retro »Diy 11000mah power bankStep 1: Powerbank All details in video