I have pasted my specs below, last update I applied the nofet however it has not been updated for a long time. Should I try the regular D4V2 version or the KR4-nofet? Thank you kindly!
Emisar D4V2 Ti Quad 18650 High Power LED Flashlight
SWITCH RETAINING RING
Flat type SWITCH BACK LIGHT TINT
Amber LED & Tint
E21A, R9050 Warm White, 2000K