ITEM NAME:18650 Battery Case Holder, 5pcs Plastic Holder Connecting Case Junction Box for Description: You can use this case with your own battery to form power system supply. Made of ABS material, lightweight, convenient to carry. Easy to install. Compatible with: 18650 battery (battery diameter: 18mm, battery length: 65mm) Slot: 3 Slots. Quantity: 5 Pieces (Battery Is Not Included) Battery Holder Size: 75x60x17mm Package Includes: 5 Pieces Battery Storage Boxes SKU: DMO0014046168010113.Battery Holder Size: 75x60x17mm. Slot: 3 Slots. Quantity: 5 Pieces (Battery Is Not Included). 5 Pieces Battery Storage Boxes.