LED Flashlight

cults3d

A very bright and powerful LED flashlight, that features a micro USB or USB-C rechargeable battery (18650) and a 3W LED chip. It is very solid, easy to build, and portable. For this project you will need: M3 bolts, nuts and threaded inserts; 3W LED chip with heatsink; 18650 battery; 18650 lithium battery charging board (micro USB or USB-C, as you like); 12mm button switch;