Battery Adapter Dm18D With Usb,Replacement Dca1820 Battery, 1 Pack Product Details Function:The Battery Adapter is repace of DCA1820 Converter. It is compatible with dewalt 18V/20V Lithium-ion batteries and Milwaukee M18 18V Lithium-ion batteries. Technology: This DCA1820 adapter automatically changes between two voltages, helps users' work more efficiently. You don't need to change a whole new system, this adapter improves run-time. Note : This adapter can not be charged (Please remove on adapter before charging battery), just attach it to tools for use. Buy with confidence:Comply with FCC RoHS and CE security testing standards. After-sales service: 24 hours online service, if you have any questions, please feel free to contact us! 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.