Great idea Single Circuit 3.7 V 1S and 2S Battery Charger Circuit /LM358 High Precision Auto Cut-Off - YouTube
Single Universal 3.7 V Li-Ion Battery Charger - Electrothinks: Explore, Learn, Innovate
Auto cut off 3.7 volt battery charger circuit - YouTube
how to make USB 3.7V Li-Ion Battery Charger Circuit | battery charging cut off circuit | USB 3.7V Li-Ion Battery Charger Circuit | In this article we study a simple computer USB