Noctigon KR4 18650 High Power LED Flashlight "CUSTOM BUILT-TO-ORDER"

NOCTIGON KR4 NOTE: THIS IS CUSTOM "BUILT-TO-ORDER, WILL SHIP ACCORDINGLY! The boost driver upgrade is available for the quad version of XP-L HI, SST-20, Osram W1/W2, Nichia 219B R9080 versions, each LED receives 2A current. The driver is not compatible with Nichia E21A, Nichia E17A, and mule versions of the flashlight. Please be noted that the boost driver version will have 40% less output on turbo than the regular version, it is a more efficient driver (90-95%) with longer running time and less heat. Noctigon KR4 puts a high lumen output but generates a lot of heat at the same time, please acknowledge before purchasing.  5/20/2025:  There is new black PVD coated stainless parts available & with new black switch buttons! You can select your options at during the time of your custom build. If the option is not selectable it's not available, the metal switch buttons won't be available will the end of May.  NEW! HYBIRD MULE OPTICS >>> ZHU Hybrid Mule Optic – JLHawaii808 USER