Feature: Professional compact design and easy installation. Plastic material, not 3D printing. Built-in battery and tool buckle, anti-skid and anti-loose design, to ensure the perfect match between battery and tool, safe and reliable. This conversion adapter converts Dewalt & Milwaukee Li-Ion Battery to Snap-on 18V Cordless Tools Li-Ion Battery Model. It allows your Dewalt & Milwaukee to share batteries with Snap-on Cordless Tools, saving money. Specification: Item Type:For Dewalt & Milwaukee battery adapter converter Material: plastic Color: Red The base of the adapter is compatible with Dewalt & Milwaukee 18V Li-Ion battery. The top of the adapter is compatible with Snap-on 18V Li-Ion cordless tools. Applicable Dewalt Battery Models: Dewalt 20V Max lithium batteries DCB205, DCB200, DCB206, DCB206-2, DCB204, DCB204BT-2, DCB203, DCB201 etc. Applicable Milwaukee Battery Models: Milwaukee 18V lithium batteries M18 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, 48-59-1812, 48-59-1850 etc. Replaceable Snap-on Battery Models: Snap On 18V lithium battery: CT7850, CDR7850H, CTL7850, CTB7185, CTB8185, CTB8187 etc. (NOT fit for Ni-CD or Ni-Mh) Package Contents: 1 * Battery Adapter (Adapter Only, Tools & Battery Not Included) Note: 1. For a long time do not use it, please separate it from the battery. 2. This converter does not support the ability to charge the power tool battery. 3. Please confirm your power tool model and battery interface compatibility before purchase. 4. Cannot be used while charging. Package Contents: 1 * Battery Adapter (Adapter Only, Tools & Battery Not Included)