Adapter Converter Feature: This 18V adapter can make lithium batteries use on compatible with RYOBI 18V lithium cordless tools, and let you Enjoy the benefits of extended run-time of Li-Ion Batteries on your existing 18V Lithium tools. Perfect replacement for Ryobi One+18V P108 ABP1801 Li-ion Battery. (Pacakge without battery and tools) Convert 20V max Li-ion Battery Models: Compatible with DeWalt 18V 20V max XR Lithium Ion battery, DCB180 DCB181 DCB182 DCB203 DCB204 DCB205 DCB206 DCB200 DCB201 DCB609 DCB606 N123283 N123282 DCB201-2 DCB181-XJ. It also compatible with flexvolt 20V max battery. Convert 18V Lithium Battery Models: Compatible with Milwaukee-18V-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, 48-59-1850,982-2, 4932352071, 4932430063, C18B, Li18, M18B, M18B2, M18B4, M18BX, XC. Sturdy & Built-in USB Port: This Cordless Power Tools Adapter made of ABS material, strong and durable. Professional compact design and easy installation. Built-in USB charge circuit (output port: 5V, 2.1A) design for charge low-power electronic products, such as the smart phone, Pad, tablet, smartwatch. Notes: Maximum initial battery voltage is 20volts,Nominal voltage is 18volts. Can not be used for power tool battery charging, this adapter will not fit into any chargers. If you need to charge your power tool batteries, please use the original battery chargers. This adapter can make listed lithium batteries apply to compatible with RYOBI 18V tools , and let you Enjoy the benefits of extended run-time of Li-Ion Batteries on your existing 18V tools. Whole Size: 110x73x85mm/4.33x2.87x3.34inch Features: 1. Voltage: The maximum initial battery voltage (no workload measurement) is 20 volts and the nominal voltage is 18 volts. 2. Compatible Battery Models: Compatible with Dewalt 20V max batteries and Compatible with Milwaukee-18V Lithium-ion batteries. 3. USB port: DC 5V 2.1A Max output Commonly used for charge mobile phones, digital audio devises/MP3 players, digital cameras, and other low-power electronic devices when power is not available. 4. Notes: Can not be used for power tool battery charging, this adapter will not fit into any chargers. If you need to charge your power tool batteries, please use the original battery chargers. Package Included: 1x Adapter (NO Battery, Tools and Cable)