The xm l t6 bulb has a maximum output of 975 lm per bulb other sellers stating 5 000 lm are incorrect as it is impossible for the xm l t6 to output that amount of light false advertising from chinese sellers view xm l led specification table below our product is 100 uk stock with fully certified ce chargerxm l ledwidely used in high power flashlights this larger die led was first available in november 2011 offering efficacy of 160 lumens per watt at 350ma output is as high as 340 lum