Noctigon KR4 Titanium + Copper "CUSTOM BUILT-TO-ORDER"

NOCTIGON KR4 NOTE: THIS IS CUSTOM "BUILT-TO-ORDER, WILL SHIP ACCORDINGLY! The Lume X1 boost driver upgrade is available for the quad version SST-20, SFT-25, Nichia 519A R9080, Nichia 219B R9080 versions, each LED receives 3A 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 less output on turbo than the regular version, it is a more efficient driver (90-95%) with longer running time and less heat. The Lume X1 is a high power driver - for best performance, recommended to use low ESR, high CDR 18650 unprotected cells: - Molicel P30B, P28B, P28A, P26A (grey) - LG HJ2 (lilac), HG2 (brown) - Samsung 20S (blue), 30Q (pink) - BAK N18650CNP (pink) - Murata/Sony VTC5A (green) Please note that this flashlight is not a toy and must be operated responsibly. Noctigon KR4 puts a high lumen output but generates a lot of heat at the same time, please acknowledge before purchasing.  NEW! HYBI