ASP USB-C Battery & Link Case 18650. This Battery Also Features An Integrated Usb-c Charge Port. The 18650 Includes A Link Case To Safely Store Protect And Transport The Battery. It Features An Interlocking Design That Allows Multiple Link Cases To Be Connected To One Another For Efficient Organization. Specifications for ASP USB-C Battery & Link Case: Manufacturer: ASP Battery Quantity: 1 Battery Type: 18650 Battery Chemistry: Lithium Package Contents: ASP 18650 Usb-c Battery & Link Case ASP 53057: USB-C Battery & Link Case 18650