Amazon.com: Sunwayman T16R CREE XM-L2 U3 LED -380 Lumens (Available in Black and Grey) : Tools & Home Improvement
16mm Xm-l2 U3 Led Emitter + 17mm 7135*8 7135 X 8 Chips Driver Circuit Board With Mode Memory For 18650 Led Flashlight Torch - Light Beads - AliExpress
Lamp Bases 1Mode(High) 3800lumens CREE XML-L2 XM-L2 U3 x 3 emitter led module Drop in for Original TrustFire TR-3T6 TR-3L2 Flashlight - (Color: 1MODE) - - Amazon.com
New Cree XM-L2 Neutral White 4000K LED
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10W High Power Original XML2 U3 LED Emitter Light Bulb With 20MM/16MM PCB | eBay
How to distinguish LEDs CREE XM-L T6, XM-L2 U2 and XP-E Q5 visually (external differences) - YouTube