In this video we will make a power bank / Portable 5 Volt USB charger, so you can charge your Mobile phone, mp3 players, iPod, iPhone, Digital Camera and Other gadgets. Also there will be a very bright LED light for emergency purpose. This is a very useful charger.
You can charge this power bank with any micro USB charger. and you can increase the Capacity by adding more 18650 batteries
Powerbank Charging Circuit source:
Lithium 18650 Battery source:
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