Introduction: 9v Usb Charger Power Bank
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)
but the most important you need pro soldering skills best of luck
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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
Step 3: Solderrrrr
Step 4: Now Try
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
Participated in the
MAKE ENERGY: A US-Mexico Innovation Challenge