130W Power Bank - QC4.0 & Power Delivery

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I built the power bank by assembling a 5s Li-ion battery, hooking it up to a BMS, and adding a few more modules to make it all work. The Power Bank has 3 USB Type-C ports for charging and I added an OLED Display which shows detailed information about the battery inside. You can check the voltage of each cell, the total battery voltage, and the battery charge percentage. Video link: https://youtu.be/nktb9O6Rttw In this video, I'll show you how to build yourself a fast and high-capacity power bank at home! You can use some old 18650 cells, pair them with a few more components, print a case, and assemble it all together! Components used: Arduino Nano: https://s.click.aliexpress.com/e/_DF3H0bT - I used the "Mini" version 5V Regulator: https://s.click.aliexpress.com/e/_DnkuIxT Resistor Kit: https://s.click.aliexpress.com/e/_DDeQzNL 5S BMS: https://s.click.aliexpress.com/e/_Dep9MP5 Fast Charge Module: https://s.click.aliexpress.com/e/_DCA65sh OLED Display: https://s.click.aliexpress.com/e/_De9pfMv Push Button Switch: https://s.click.aliexpress.com/e/_DFAQcNP - I got a 12mm one, 3-6V, Momentary, Black - I would suggest you get the 12-24V version since my LED died 3mm LED Holders: https://s.click.aliexpress.com/e/_DkPJjKH 3mm LEDs: https://s.click.aliexpress.com/e/_DeVmaBF M3x25mm Bolts: https://s.click.aliexpress.com/e/_Dev4lrf M3x12mm Bolts: https://s.click.aliexpress.com/e/_Dev4lrf 5x5mm M3 Inserts: https://s.click.aliexpress.com/e/_DlU5gNX - M3 (OD 5mm), 5mm Lenght 5S USB Charger: https://s.click.aliexpress.com/e/_Dl7UAcd -This module goes out of stock fast so the link may not work 18650 cells - try to source them locally, I used Samsung 30Q cells USB Type C Tester: https://s.click.aliexpress.com/e/_DBB8caZ USB Type A Tester: https://s.click.aliexpress.com/e/_DlpwuHf

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