PCBA Circuit Board For Milwaukee 18V Li-ion Battery (15 x 21700) No Original, 100% New, No Battery Cell! Advance notification:(1). The PCBA is suitable for 21700 Li-ion batteries, not 18650 batteries. (2). To use this product, you need to have some professional knowledge and experience. We do not guarantee that you can use it well. (3). The product has no after-sales service. Colour:As Shown Material:PC Package Contents: 1 x Protection Board(The printed words and labels on the products may differ due to different product batches, but this will not affect the use) Only the above package content, other products are not included. Note: Light reflection 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.