Simple 3.7 volt battery charger with Automatic Cut Off.
In this video I illustrate the 3.7v charger wire connection. If the battery is fully charged to automatically close. The items needed to connect the charger are USB 5V/MJE13005 Transistor/CJ 431 011 datasheet/47 ohm resistor/two ik ohm resistors/ 680 ohm resistor/ and two LED bulbs.
Dear teacher, Thanks for watching my videos! If you have any questions, write them in the comment box. Don't forget to like and share. For more new video updates please subscribe our channel Mr.Electrician and press bell icon to get notification. Thanks to everyone who watched my video.
