With MTB18DYL, you can use the for Makita 18V Li-ion battery or for HongSong Lomvum JiangMi ZhiPu on DAYI 21V Lithium tools.The bottom of the converter applicable for Makita 18V battery model:BL1815, BL1815B, BL1820, BL1820B, BL1830, BL1830B, BL1840, BL1840B, BL1850, BL1850B, BL1860, BL1860B, BL1845, BL1890, BL1890B.And suitable for HongSong / FoGo / BoDa / Lomvum / ZhiPu / JiangMi 18V lithium battery.Note:This product is only adapter.This product does not include machine and battery. The machine and battery in the product description are only used to show the products.Colour: BlackMaterial: PlasticPackage Contents:1 * AdapterOnly the above package content, other products are not included.Note: Light shooting 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.