ITEM NAME:Aluminum Alloy Cased 18650 Battery Power Bank Box with Spring(Black) SN9F Product Description Description: Features: Mini portable size, perfect choice for business and travel. Durable aluminum cased design, great hand feeling. Solderless design, easy to remove or replace batteries. Lightweight, easy to carry in your bag or pocket. Specification: Battery Type: 18650 Suitable for: Universal Case Material: Aluminum Alloy Size: approx. 93 X 10 X 10 mm/3.66 X 0.39 X 0.39 in Battery Capacity: standard 18650 battery capacity Color: Black Note: Batteries are NOT included in the package, please purchase on your own. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. Included: 1 X Power Bank Case.Durable aluminum cased design, great hand feeling. Battery Type: 18650. Battery Capacity: standard 18650 battery capacity. Case Material: Aluminum Alloy. Lightweight, easy to carry in your bag or pocket.