Adapter Converter Feature: This 18V converter can make listed lithium batteries compatible with Ryobi 18V ONE+ Lithium Ion cordless power tools, and let you Enjoy the benefits of extended run-time of Li-Ion Batteries on your existing 18V power tools. Adapter Install Battery Type: The adapter bottom: Compatible with Dewalt 18v/ 20v MAX Slider Lithium Batteries. eg. DCB200 DCB201 DCB203 DCB204 DCB205 DCB206 etc.; It also can Compatible with Milwaukee M18-18v Lithium Iron Batteries. eg. 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. With USB Output Port: Built-in 5V 2.1A (Max) USB Charge Function, when the mobile phone is temporarily out of power, you can charge the charging treasure function. (Not contain USB charge line, Not fast charing device) Using Attention: 1. Can not be used for power tool battery charging, NOT fit any chargers when adapter with battery. If you need to charge your power tool batteries, please use the original battery chargers; 2. For a long time don't use, please separate from the battery. Durable and Convenient: Made of ABS material, strong and durable. Professional compact design and easy installation. Module size about 4.33x2.87x3.34inch. The maximum output battery voltage (measured without workload) is 20 volts, the nominal voltage is 18 volts. Features: 1. With USB(DC 5V 2.1A Max output ), when the mobile phone is temporarily out of power, you can charge the charging treasure function. 2. This adapter can make listed lithium batteries use for RYOBI 18V lithium ion tools.(convert DEWALT DCB 20V slider lithium batteries to RYBOI 18V tools battery type), and let you Enjoy the benefits of extended run-time of Li-Ion Batteries on your existing 18V tools. 3. Maximum initial battery voltage(measured without a workload) is 20volts,Nominal voltage is 18volts. Compatible Battery Models: -Compatible with Dewalt 20V max slider batteries. eg DCB200/DCB201/DCB203/DCB207/DCB205/DCB204/DCB180/DCB181/DCB182 etc. -Compatible with Milwaukee 18V Lithium-ion batteries. eg 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, 48-59-181, 48-59-1850, 4932352071, 4932430063 etc. Replacement for Ryobi 18V lithium batteries. eg P102 P104 P107 P105 P106 P103 BPL18151 BPL1820. etc. Notice: Can not be used for power tool battery charging, this adapter will not fit intoany chargers. If you need to charge your power tool batteries, please use the original battery chargers. Package Included: 1x Adapter Converter(Only Adapter, No Battery/Tools)