![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
![3.7V 4.2V 3A Li-ion Lithium Battery Charger Over Charge Discharge Overcurrent Protection Board, Charger Protection Board DD04CPM Board Module Lithium Battery protection - Buy China Battery Charger Protection Board on Globalsources.com 3.7V 4.2V 3A Li-ion Lithium Battery Charger Over Charge Discharge Overcurrent Protection Board, Charger Protection Board DD04CPM Board Module Lithium Battery protection - Buy China Battery Charger Protection Board on Globalsources.com](https://p.globalsources.com/IMAGES/PDT/B5057941226/Battery-Charger-Protection-Board.jpg)
3.7V 4.2V 3A Li-ion Lithium Battery Charger Over Charge Discharge Overcurrent Protection Board, Charger Protection Board DD04CPM Board Module Lithium Battery protection - Buy China Battery Charger Protection Board on Globalsources.com
![3 Best 3.7V Li-Ion Battery Charger Circuits using Specialized Intelligent ICs | Homemade C… | Battery charger circuit, Circuit projects, Electronic circuit projects 3 Best 3.7V Li-Ion Battery Charger Circuits using Specialized Intelligent ICs | Homemade C… | Battery charger circuit, Circuit projects, Electronic circuit projects](https://i.pinimg.com/originals/60/c3/44/60c344d39ec0f4bad9c2d1df373d1175.png)
3 Best 3.7V Li-Ion Battery Charger Circuits using Specialized Intelligent ICs | Homemade C… | Battery charger circuit, Circuit projects, Electronic circuit projects
![3.7V Lithium Battery Charger Protection Board 5V 1A 2A Li ion Lipo Battery Charging Protect Two in one Module Micro USB Type C|module 5v|module boardmodule charger - AliExpress 3.7V Lithium Battery Charger Protection Board 5V 1A 2A Li ion Lipo Battery Charging Protect Two in one Module Micro USB Type C|module 5v|module boardmodule charger - AliExpress](https://ae01.alicdn.com/kf/Hfd48e12707a84ac782c967911c02f7735/3-7V-Lithium-Battery-Charger-Protection-Board-5V-1A-2A-Li-ion-Lipo-Battery-Charging-Protect.jpg_Q90.jpg_.webp)
3.7V Lithium Battery Charger Protection Board 5V 1A 2A Li ion Lipo Battery Charging Protect Two in one Module Micro USB Type C|module 5v|module boardmodule charger - AliExpress
![Electronic Circuits, Transformerless Power Supply, LED Drivers, Battery chargers, Solar Circuits: simple Li-Ion Battery Charger Circuit Using IC LP2951 Electronic Circuits, Transformerless Power Supply, LED Drivers, Battery chargers, Solar Circuits: simple Li-Ion Battery Charger Circuit Using IC LP2951](https://lh6.ggpht.com/-Q6Lcgpc8Hno/VGNyy3NnloI/AAAAAAAAAaA/1maCsevDkU0/s1600/IMG_20141112_200923.jpg)