How to Convert from 1,5v to 5v DC USB Charger Circuit for Smart phone very fast

How How to Convert from 1,5v to 5v DC USB Charger Circuit for Smart phone very fast Components and description : Resistor 370 Om, Diode 4007, Transistor C1815, a Capacitor 100uF/16 v, a zener DV 5 V, copper wires size 45 and length 50 cm, I hope you can do it if you try watch my videos, If you have some question you ask me by comments below., If you like all my videos showed, you can share to your friends. It is a simple how to make portable charger USB using battery 1.5 v, and how to make a Portable USB charger, How How to Convert from 1,5v to 5v DC USB Charger Circuit for Smart phone very fast at home.