Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching Great Idea😮Single Transistor 3.7V Automatic Battery Charger Circuit..Diy Battery Charger. and this video is uploaded by Tech help at 2023-02-02T04:45:01-08:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [EN82ArN3NNc]