[Compatibility] The power adapter is suitable for Milwaukee 18V M18 series batteries, powering your robots, electric bicycles, lamps, tools, electric vehicles, and enjoy the fun of DIY. [Well-made] The power battery converter uses ABS material, making the battery converter fit the battery perfectly. [Easy to install] The power adapter can be used by simply plugging in the power tool battery, then push the converter and make sure it has locked the battery. [Safety design] Heat-resistant wire for high-power applications. Copper contact points improve conductive safety. [Compatible battery models]:Applicable to M18 48-11-1852, 48-11-1811, 48-11-1815, 4811-1820, 4811-1822, 4811-1828, 4811-1840, 4811-1841, 4811-1850, etc. Lithium Battery Adapter for Milwaukee for M18 18V Lithium Battery DIY Power This product is only suitable for M18 series lithium batteries, not for "18V V18/48-11-2200" series lithium batteries. Colour:red Material:ABS Package Contents: 1 * Battery Adapter Converter for Milwaukee