... 3,Battery,4*18650 rechargeable 4,1 LED, 5,Waterproof 900 Lumen LED Bicycle Torch B9 SPECIFICATION of B91*CREE ... MC-E LED 10WATTMax Output: 900 LumensRuntime: 4 hoursBattery ... voltage warning mode Accessories of B9 bike light1pc LED Bicycle Light B5,1pc battery pack BP4836,1pc ... AC100,1pc bike mount HD34, 900 Lumen LED Bicycle Torch B9