How to make a simple power bank without circuit । How to make power bank with 9 volt battery

2018-06-23 12:56
The power bank have ability to charge most of android phone. This power bank's output voltage is 5V. 1.How to Make a Hot Glue Gun Make a Hot Glue Gun at Home DIY. https://youtu.be/Zl4fQxOOyoI 2.How To Make Fire Alarm | Make a Fire Alarm at Home - Science Project. https://youtu.be/DG3FRjpRcRs 3.2 Simple Ideas | 2 Crazy Life Hacks! https://youtu.be/FVMmJnnKcYE Please Like Comments Share And Subscribe

simple power bank circuit