Product Description About this item 【Use for Milwaukee 18V Tools】Suitable for Milwaukee 18V System Cordless Tools.Works for Hilti B22 22V Lithium-Ion Batteries Pack (Battery not include). Adapter convert for Hilti B22 21.6V 22V Battery Li-ion battery to work for Milwaukee 18V tools. 【Wildly Applicable】 - Convert for Hilti B22 22V Lithium-Ion battery,to replace for Milwaukee 18V battery, such as 48-11-1862 48-59-1880 48-11-1852 48-11-1820 48-11-1822 48-11-1828 48-11-1840 48-11-1841 48-11-1850 48-11-1815 48-11-1812 48-11-1811 48-11-1860 48-11-1890 48-11-10 batteries, etc. 【Safe & Reliable】- Its ultra-compact design, made from high-quality ABS, is durable and lightweight, easy to carry and use, and will not damage batteries or tools.Adapter cannot be charged. If you need to charge, unload the adapter first. 【Product Advantages】Wide usage for Milwaukee 18V Battery power tool , If the 18v Lithium-ion Battery stop working, use the adapter for Hilti 22V Li-ion battery as power replacement. Expand for Hilti to for Milwaukee power tool lines, giving new life to your used for Hilti batteries and saving you money.