We offer discount for large quantity. Welcome to contact with us! Accessory type: battery accessoriesThe PCB board is used to repair the battery pack and may have better mold adaptability.Voltage detection solder joints are easy to solder.Welding sequence: Weld the PCB board first, then the battery.It is recommended to install the product by personnel who are familiar with battery performance and have practical experience in battery assembly.Colour:greenMaterial:Resin protective boardPackage Contents:1 * circuit boardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.