For repairing and assembling batteries. For use only by those familiar with battery performance and experienced in battery assembly. Standard PCB board to replace for battery. For 20V Li-ion battery DCB201DCB203 . Colour: black + green Material: PCB Package Contents: 6 * Circuit board Only the above package content, other products are not included. Note: Light 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.