Never used, brand new.Front light: SL Nano AF (7.2V, 14W max, 1100 - 1300 lm, clamp = 31.8mm)Rear light: C14 Taillight (6-12V, 45-80 lm, clamp = 31.2mm)Battery: 7.2V, 3.5 Ah, 25Wh