Feature:100% Brand new and high quality.This item is Battery Box Holder.DIY power supply.Easy installation.Application:1. You can use this case with your own battery to form power system supply.2. Case for rechargeable battery.3. Simple DIY recharge power supply.Specifications:Battery type: 18650Connection: solderingColor: BlackItem Size: 7.8 * 4 * 2.1cm / 3.1 * 1.6 * 0.8inPackage Size: 14.5 * 11.5 * 6cm / 5.7 * 4.5 * 2.4inPackage Weight: 80g / 2.8ozPackage list:5 * 2×18650 Series Battery Holder