DIY 20,000mAh Power Bank - Was it worth it? Learn how to create a DIY USB-C power bank with lithium cells and a charging board, test its efficiency and compare it to commercially available power banks. 15 February 2023
Picking up Free Lithium Cells Off the Street and Making them Safe for Use Find out how to salvage lithium cells from disposable vape devices, test battery capacities, and make them safe for your DIY projects, while helping the environment by recycling these discarded devices. 16 July 2022