This product is component without battery core. It is used to repair and assemble batteries pack, only for people who are familiar with battery performance and have practical experience in battery assembly. It can fill 10 pieces of 18650 Li-ion batteries. But this is only a shell, there is no battery inside. Suitable for charger model: DC18WA For Tool model number: CL183D, DF457D, DF457DWE, DK18015X1, DK18171, HP457D, HP457DWE, HP457DWE10, HP457DWEX4, HP457DZ, JV183D, JV183DWE, ML187, STEXML187, TD127D, TD127DWE, TD127DZ, UH482, UH482D, UH482DW, UH522, UH522D, UH522DW, UM167, UM167D, UM167DW, UM603D, UM603DWY, UR180, UR180D, UR180DW. Colour: black Material: plastic Package Contents: 1 * Battery Case with Accessories 1 * PCB 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.