Hi guys!
In this episode I will show you how I made a 5V mini UPS. It took a long time to finish this project because I wanted to create a good circuit to protect the battery.

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Download gerber file: https://files.fm/f/fvn25kbrv
Schematic: https://imgur.com/a/RRUq9Ii

Components list:
Plastic case 125x80x32mm: https://s.click.aliexpress.com/e/_Ddg...
TP4056 module: https://s.click.aliexpress.com/e/_9hTxou
MT3608 boost converter: https://s.click.aliexpress.com/e/_DdF...
NCR18650B cells: https://s.click.aliexpress.com/e/_AmRDya
1S battery indicator: https://s.click.aliexpress.com/e/_Des...
Small switch 10x15mm: https://s.click.aliexpress.com/e/_DnN...
Capacitors 10V 4700uF: https://s.click.aliexpress.com/e/_Dkr...
USB port: https://s.click.aliexpress.com/e/_DBZ...
5V double relay: https://s.click.aliexpress.com/e/_Ddn...
1N5820 3A diode: https://s.click.aliexpress.com/e/_DkS...
1N4007 diodes: https://s.click.aliexpress.com/e/_De1...
Fuse holders: https://s.click.aliexpress.com/e/_Deo...
IC heatsink: https://s.click.aliexpress.com/e/_DCt...
LED (R-G Fog Anode): https://s.click.aliexpress.com/e/_Def...

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