Simple Power Bank with Speakers

Welcome technology science lover in this website
Hello friends I made a very simple but very useful
system for smartphone. This is a simple Emergency power-bank com portable speaker cum Torch in one box.
You can also charge your smart phone in same time of use other.
Hello friends I made a very simple but very useful
system for smartphone. This is a simple Emergency power-bank com portable speaker cum Torch in one box.
You can also charge your smart phone in same time of use other.
Circuit Diagram




You can print with 3D Printer. Make a cardboard box and connect all electronic with superglue.
I made a perfect square box and connect amplifier with speakers ,Charger circuit and Torch circuit in Left Side.  I am already post in this link instructables . 
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