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

Components list:
Plastic case: https://s.click.aliexpress.com/e/_An6n5C
TP4056 module: https://s.click.aliexpress.com/e/_9hTxou
MT3608 boost converter: https://s.click.aliexpress.com/e/_DDvuZ3N
NCR18650B cells: https://s.click.aliexpress.com/e/_AmRDya
1S battery indicator: https://s.click.aliexpress.com/e/_DesJLnd
Small switch: https://s.click.aliexpress.com/e/_DEYmS87
Capacitors 10V 4700uF: https://s.click.aliexpress.com/e/_Dloaxaj
USB port: https://s.click.aliexpress.com/e/_DBZjDA7
5V relay: https://s.click.aliexpress.com/e/_DED0MVH
1N5820 3A diode: https://s.click.aliexpress.com/e/_DkSNXnH
1N4007 diodes: https://s.click.aliexpress.com/e/_De1YK7D
Fuse holders: https://s.click.aliexpress.com/e/_A33IxA
IC heatsink: https://s.click.aliexpress.com/e/_DBtH5rz
LED (R-G Fog Anode): https://s.click.aliexpress.com/e/_Defsko7

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