This is the smart phone power bank. This power bank have ability to charge most of android and china phone. This power banks output voltage is 6V. You need a 9V battery to use this power bank. One f is the battery is not rechargeable. You dont need a circuit for make this power bank. Just a voltage regulator IC - LM7806 that can perform it to charge a phone. Like this video? Please subscribe me.\rbr\rbrSee my another video from below: \rbrHow To Make High Force AK-47 Rifle That Can Split Glass\rbr\rbr\rbrHow to make wireless electricity with BC547 low power transistor\rbr\rbr\rbr3 Awesome Idea With Lighter, Glue Gun, Plastic Cable Tie - Amazing\rbr\rbr\rbrLCD display life hacks | How to make a LCD display at home DIY\rbr\rbr\rbr3 Science Experiment With Static electricity, Magnetic Force & Water Flow: \rbr\rbr3 Simple Useful Life Hacks | Coffee Maker | Free Energy | Balloon Pumping: \rbr\rbrHow to make a worlds best homemade air blower you should see very easy: \rbr\rbr3 Simple Useful Tricks | 9V Battery Connector | Spinning Top | Key Brush Wire Holder: \rbr\rbrHow to make a Hero of secret Flashlight - Rechargeable: \rbr\rbrHow to make a beautiful mini car for kids very easy homemade DIY: \rbr\rbrHow to make 12V DC battery charger by using h bridge rectifier circuit: \rbr\rbr3 Life Hacks | Mobile Speaker Sound Growth | Cooper Burning | Plastic Cutting With Yarn: \rbr\rbrHow to make a 8 hours backup energy saving charger light homemade DIY: \rbr\rbrDC motor hacks | How to repair a damage DC motor very simple way: \rbr\rbrHow to make an electric portable train for kids | Very cool train you must love it: \rbr\rbrTwitter: \rbrFacebook: \rbrBlog: \rbrGoogle Plus: \rbr\rbrMusic 1:\rbrSong: Elektronomia - Sky High [NCS Release]\rbrMusic provided by NoCopyrightSounds.\rbrVideo Link: \rbrDownload Link: \rbr\rbrMusic 2:\rbrSong: John Kenza - Wicked [NCS Release]\rbrMusic provided by NoCopyrightSounds.