Dewalt 20V Max Li-Ion Cordless Tool Replacement For Dewalt 18V 20V Lithium-Ion Product Features ?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. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!