Dewalt 20V Max Li-Ion Cordless Tool Replacement For Dewalt 18V 20V Lithium-Ion Product Details ?Converter Function?: This MT20DL-adapter can use lithium batteries of the listed brands apply to compatible with Dewalt 18V 20V MAX lithium-Ion cordless tools. Let you enjoy the benefits of extended lithium ion battery operation time on existing 18V tools instruments. ?Applicable Battery Models?: The bottom of this adapter is only compatible with Makita 18V lithium Li-ion batteries. eg. BL1860B/BL1860/BL1850B/BL1850/BL1840/BL1830B/BL1830/BL1820/BL1815 etc. .?NOTE?: Can not be used for power tool battery charging, this adapter will not fit into any chargers. ?Safe Protection?: There is a short circuit protection, Over current protection, Undervoltage protection and Low power consumption; The maximum output battery voltage (measured without workload) is 20 volts, the nominal voltage is 18 volts. ?Durable and Convenient?: This Cordless Power Tools Adapter made of ABS material, strong and durable. Professional compact design and easy installation. Convenient to carry and easy to use. Size about 4.33x2.76x1.8 inch. ?Quality After-Sales Service?: If you have any questions, do not hesitate to contact us. We will have a team of professionals to answer your questions and answer you within 24 hours. Thank you for choosing our store. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.