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
![batteries - Can I keep Li-Ion battery 'charging' continuously at 3.7 V? - Electrical Engineering Stack Exchange batteries - Can I keep Li-Ion battery 'charging' continuously at 3.7 V? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/IK19j.jpg)
batteries - Can I keep Li-Ion battery 'charging' continuously at 3.7 V? - Electrical Engineering Stack Exchange
![Great idea Single Circuit 3.7 V 1S and 2S Battery Charger Circuit /LM358 High Precision Auto Cut-Off - YouTube Great idea Single Circuit 3.7 V 1S and 2S Battery Charger Circuit /LM358 High Precision Auto Cut-Off - YouTube](https://i.ytimg.com/vi/YqUpL19Jg_g/hqdefault.jpg)