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 for Dewalt & for Milwaukee Li-Ion Battery to for Snap-on 18V Cordless Tools Li-Ion Battery Model. It allows your for Dewalt & for Milwaukee to share batteries with for Snap-on Cordless Tools, saving money. Specification: Item Type: For Dewalt For Milwaukee battery adapter converter Material: plastic Color: Red The base of the adapter is compatible with Dewalt compatible with Milwaukee 18V Li-Ion battery. The top of the adapter is compatible with Snap-on 18V Li-Ion cordless tools. Applicable For Dewalt Battery Models: For Dewalt 20V Max lithium batteries DCB205, DCB200, DCB206, DCB206-2, DCB204, DCB204BT-2, DCB203, DCB201 etc. Applicable For Milwaukee Battery Models: For Milwaukee 18V lithium batteries 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 For Snap-on Battery Models: For Snap On 18V lithium battery: CT7850, CDR7850H, CTL7850, CTB7185, CTB8185, CTB8187 etc. (NOT fit for Ni-CD or Ni-Mh) Package Includes: 1 Pcs 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.