today im going to show you hoow to make a power bank or a usb phone charger in almost no money

you will need

a 9v battery

a usb female

a 5v 500ma voltage regulator (can be exteracted from a non usb charger it has a hole on top)

wires

1% luck

but the most important you need pro soldering skills best of luck

Step 1: Get It Fast

collect every thing the females outer strips should be used but keep the others inserted

Step 2: Thats the Idea

hmmmmm

solder it

now try if it works well it should and remember to solder carefully

best of luck with that

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if troubleshooting plz inbox me