Power Bank from Laptop Battery with TP4056 charger & Voltage indicator

(Last Updated On: July 1, 2020) Description: In this tutorial, you will learn how to make a power bank from scrap Laptop Battery and make your own Charger using TP4056 and display the charging information using the lithium battery voltage indicator display module. This power bank can also be used for the emergency lighting, and … Continue reading Power Bank from Laptop Battery with TP4056 charger & Voltage indicator