![Joule thief Circuit, I don't know how it works, but I heard that it could make batteries last longer by taking those joules out of battery or capacitor which didn't use well Joule thief Circuit, I don't know how it works, but I heard that it could make batteries last longer by taking those joules out of battery or capacitor which didn't use well](https://preview.redd.it/op4qi45h3cu71.jpg?auto=webp&s=320e9ad12449a8a30e619d842f0ac5699cd2f8bf)
Joule thief Circuit, I don't know how it works, but I heard that it could make batteries last longer by taking those joules out of battery or capacitor which didn't use well
![Relaxing/emergency Lamp With One AA Battery - Joules Thief : 9 Steps (with Pictures) - Instructables Relaxing/emergency Lamp With One AA Battery - Joules Thief : 9 Steps (with Pictures) - Instructables](https://content.instructables.com/FKD/O6R7/KX4OV7EX/FKDO6R7KX4OV7EX.jpg?auto=webp&fit=bounds&frame=1&height=1024&width=1024auto=webp&frame=1&height=150)
Relaxing/emergency Lamp With One AA Battery - Joules Thief : 9 Steps (with Pictures) - Instructables
![mechanical engineering - Understanding the total energy in a AA battery - Engineering Stack Exchange mechanical engineering - Understanding the total energy in a AA battery - Engineering Stack Exchange](https://i.stack.imgur.com/ipDL3.png)