How to make a mini power bank (mobile charger). (creative)

It is a simple power bank made of small box, i have used a module form a old power bank which wan not in use, i have got the battery from a mini rc helicopter. it is simple and easy to make i have taken around 5.30 minutes . so friends try at yourself if any difficulty then ask me in comment section below. SteIn today's video I am going to share an awesome idea about how to make a portable charger or a power bank as lots of people call it yourself at home. We will need only L 7805, a 9 volt krona batt

• #متفرقه
• #power_bank
• #how_to_make_a_portable_usb_charger
• #creative