Range of use and functions:1. The end of the adapter is suitable for RIDGID18V AGE following battery types: L1815R B1820R L1830R B1830R B1820 R840084 AC840084 AC840083 130383025 130383001 R840083 R840085 R840086 R8400087 AC84 Electric tools used in electric tools 2. The bottom of the adapter is suitable for the bottom of the converter battery model:BL1815 BL1815B BL1820 BL1820B BL1830 BL1830B BL1840 BL1840B BL1850 BL1850B BL1860 BL1860B BL1845 BL1890 BL1890B, 18V lithium battery... The adapter has a protective plate. When not in use for a long time, separate the battery from the adapter to avoid damage to the battery This adapter does not support charging the battery This product only has an adapter and does not include batteries and tool electric drills. The appearance and color of products with different batches, which will not affect the use Type:for 18V Series Battery Conversion for 18V and 18V Tool Converter Colour:black Material:plastic Package Contents: 1 x Converter 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.