Li-Ion Battery Charging Protection Circuit Board PCB for Black Deckers 20V LB20 LBXR20 Power Tools Battery 1.It is used to repair and assemble batteries pack,_x000D_ 2. people who are familiar with battery performance and have practical experience in battery assembly._x000D_ 3.Standard chip board PCB for replace for Black tools battery_x000D_ 4.Replacement LBXR20 20V Lithium-Ion Battery PCB Circuit Board For Black colour: green_x000D_ Material: PCB_x000D_ size: 3.5x3x1cm Package Contents: 1 * Protection Board_x000D_ Note: This product is Charging Protection Circuit Board without battery core._x000D_ Only the above package content, other products are not included._x000D_ 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. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_