[Compatibility] The power adapter is suitable for 18V series batteries, powering your robots, electric bicycles, lamps, tools, electric vehicles, and enjoy the fun of DIY. [Well-made] The power battery converter uses high-quality 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 , then push the converter and make sure it has locked the battery. [Safety design] Heat- wire for high-power applications. Copper contact points improve conductive safety. [Compatible battery models]:Applicable to 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 for 18V Lithium Battery DIY Power This product is only suitable for series lithium batteries, not for "18V V18/48-11-2200" series lithium batteries. Colour:red Material:ABS Package Contents: 1 * Battery Adapter Converter for 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.