Cree - Flashlight Wiki
Brightness Bins for Cree XM-L (max is U3 bin) Bin 700mA 100% 1000mA 137.5% 1500mA 195% 3000mA 325% T2 200-220 275-303 390-429 650-715 T3 220-240 303-330 429-468 715-780 T4 240-260 330-358 468-507 780-845 910-975 U2 300-320 U3* ......