Adapter is compatible with BL1830 lithium-ion batteries including BL1860, BL1850, BL1840, BL1830, BL1820, BL1815, BL1860B, BL1850B, and BL1830B. Replaces lithium-ion batteries XC 48-11-1815, M18B2, M18B4, M18BX, 48-11-1811, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828, 48-11-1840, 48-11-1841, 48-11-1850, 48-11-1852, 48-59-181, and 48-59-1850. Designed for use with 18V lithium cordless power tools. The maximum initial battery voltage (measured without a working load) is 20 volts, with a rated voltage of 18 volts. This adapter allows the listed lithium batteries to be used with 18V lithium cordless power tools, providing extended run-time benefits on existing 18V tools. Color: Black Material: ABS Notice: This adapter cannot be used to charge power tool batteries. To charge the battery, use the original charger. Disconnect the adapter from the battery if not in use for an extended period. Package Contents: 1 x MT20ML battery converter (battery and power tool not included) 1 x English manual Only the items listed are included. Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.