Description100% brand new and high qualityEasy installationYou can use this case with your own battery to form power system supplyCase for rechargeable batterySimple DIY recharge power supplyBattery case for battery type: about 65 mm for the tip (without plate), about 65 mm for the flat head (without plate) Specification:Battery model: 18650 batteryNumber of batteries: 1/2/3/4 sectionMaterial: ABSColour: BlackPackage Included1 x Battery Case Holder