ITEM NAME:8.4V 4x 18650 Waterproof Battery Pack Case House Cover For Bicycle Bike Lamp J!E Description Specification: 100% brand new and high quality Can be packed into 4x18650 batteries and combined them to bicycle lights.Application Load 4x 18650 batteries (Batteries do not include). Easy to use, you can use two or four 18650 lithium battery. Can put 4x18650 batteries in to power bicycle lights.
