Description:* This product is a component without battery core.* It is used to repair and assemble battery pack, only for people who know battery performance and have practical experience in battery assembly.* Can fill 10 pieces of 18 650 lithium-ion batteries.* Note This is a plastic shell, there is no battery inside. Specification:* Type: Battery Plastic Shell* Model Number: DCB200* Material: Plastic* Color: Black + Yellow Package Contents: 1 x Battery Box (with accessories) 1 x Circuit Board (The color is random and the specific color cannot be choose) Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.