I had some battery cells that I salvaged from old Samsung mobile phones that I had laying around and I've build them into a power bank.
Check the build video to see how you can create one for yourself.
Tools and supplies used in the video:
Written by: Bill Kolicoski
Blagojce (Bill) Kolicoski is a web developer with multiple domain knowledge gathered since he started in 2008, and he's got a real knack for all things tech, especially when it comes to building websites and fiddling with electronics. He's as excited about robots and space as he is about nurturing his garden at home. Bill is a dad who loves sharing his interests with his kids and readers alike, making sure every blog post is filled with easy-to-understand, useful info that shows just how fun and amazing the world of technology can be. His mission is to demystify technology for everyday people so they can be encouraged to play with it.
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