Battery Plastic Case (No Battery Cell ) PCB Circuit Board for 18V 20V 3.0Ah 4.0Ah DCB201 Li-Ion Ba , No Battery Cell !!!!!!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 batteriesBut this is only a shell, there is no battery inside.Material:plasticcolour:BlackPackage Contents:1 x Battery box (with accessories)1 x PCB board(The color is random and cannot be specified)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.