Signup for the Onshape Free Plan here: https://Onshape.pro/GreatScott Free Altium Designer Trial: https://altium.com/yt/greatscott! Previous video: https://youtu.be/7f8SliNGeDM Previous Battery Pack videos: https://youtu.be/b2sBhDxmPmA https://youtu.be/hwhqn4BmC2I You can get the shown parts here: (affiliate links) Buy PowerBank: Amazon.com: https://amzn.to/3TL6q5N Amazon.de: https://amzn.to/3szl5Fi Aliexpress: https://s.click.aliexpress.com/e/_DBErL7V DIY PCB: https://s.click.aliexpress.com/e/_DdEwByf 100W USB-C Cable with Display: https://s.click.aliexpress.com/e/_Dds1Pon USB-C PD Trigger Board: https://s.click.aliexpress.com/e/_DmzNXwj Facebook: https://www.facebook.com/greatscottlab Twitter: https://twitter.com/GreatScottLab Instagram: https://www.instagram.com/great.scott.lab/ Support me for more videos: https://www.patreon.com/GreatScott?ty=h You can find more project information here: https://www.patreon.com/posts/diy-100w-power-74124475 In this episode of DIY or Buy we will be having a closer look at 100W Power Banks. Such Power Banks are great to have around to quickly charge up your big electronics like a laptop or tablet and they are also very useful when powering more current demanding electronics projects. That is why I properly tested a PCB from Aliexpress which allows us to create such a DIY Power Bank easily. And at the end we will see whether you should try such a DIY solution or rather stick to the Buy version. Let's get started! Websites which were shown/used during the video: https://datasheet.octopart.com/INR18650-MH1-LG-Electronics-datasheet-48665530.pdf http://file.yzimgs.com/398592/202213-225835877.pdf https://www.digitaltrends.com/computing/charging-via-usb-c/ Thanks to Onshape for sponsoring this video. 0:00 Why a 100W Power Bank? 1:31 PCB for DIY Solution? 2:04 Intro 3:03 Output Features of the PCB 4:08 Input Features of the PCB (Battery Pack) 6:25 Testing the PCB 8:46 Creating the Battery Pack 9:51 Completing the DIY Power Bank and Testing 10:31 Verdict