Adapter For 18V lithium battery convert to for / 18V 20V lithium battery. Top of the converter: Convert to for battery: R840084, R840087, R87002, AC840086, AC840088, AC840087, AC840089, AC8400806, AC8400809, AC840084, AC840083, 130383025, 130383001, R840083, R840085, R840086, AC840085 18V Lithium-Ion Battery. Convert to for battery:L1890R-X5,L1890RHD,L1860R-X5,L1860RHD,L18502RC,L1850R,L1840RBL-C,L1840R,L1830R,L1830RHD,L1825R-X4,L1820R,L1820S 18V Lithium-Ion Battery. BS18AR is only suitable for the tool that can use 18V bat618 series lithium batteries, not suitable for the tool that can use "ALL 18V"series lithium batteries. color: Black Material: ABS Note: This product is only adapter. No includes the battery and machine in the picture. This product does not include machine and battery. The machine and battery in the product description are only used to show the products. Package Contents: 1 x Adapter (no battery, no tool) 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.