Simple 3.7 volt battery charger with auto cut off

In this video, I will show you how to make 3.7 volt 18650 battery charger auto cut off with constant voltage & current, using very few components at home. Utsource is a professional electronic components supplier. More than 800 original brands, More than 6 million original products Subscribe It&Free ❤️ Required Components For This 3.7 volt battery charger circuit. 1. MJE13005 Transistor or (Any NPN). 2. TL431 Shunt Regulator. 3. 2x 1 Kilo Ohms Resistors (1/4w). 4. 680 ohms Resistor (1/4w). 5. 47 & 470 ohms Resistors (1/4w). 6. Anode Bi Colour LED (Green + Blue). 7. Recommended to make on Pref Board. Circuit Diagram & PCB layout, Gerber Files Download link Pinterest: Thanks For Watching ✅LIKE ✅SHARE ✅ COMMENTS ✅ SUBSCRIBE I hope this video was Useful and you liked it if you did press the thumbs up button. (Creative Techos) #Projects