High Power CREE 3*Q5 WC LED Bike Light System Incorporates a high-powered CREE LED to achieve a retina searing output of 660 lumens Custom optics result in a beam pattern ideal for night riding Long Run Time 5 -19Hrs Aerospace Aluminum Alloy 6063 Body lightweight Li-Ion battery Pack 6 * 18650 6600mA 7.4V 4 Light … Continue reading High Power CREE 3*Q5 WC LED Bike Light System with 6600mA Batter