[Compatibility Replace]Suitable for 20V MAX lithium batteries,such as DCB180 DCB181 DCB182 DCB201 DCB206 DCB207 etc.Also FOR 18V battery (Battery NOT Included). [FOR 20V MAX Cordless Power Tools]This adapter can make listed lithium batteries use for 20V lithium cordless power tools, and let you enjoy the advantages of extended run-time of Li-Ion Batteries on your existing 20V tools.20V MAX Drill/Driver Impact Combo Kit,BDCCS20B 20-volt Max Circular Saw Bare Tool. [Material]Non-3D printed, sturdy and , and convenient, extend the life of the tool. [Easy to DIY operate]Battery DIY converter, make full use of home batteries Fit for battery:Fit for 20V lithium-ion batteries, including DCB201 DCB202 DCB206 and 20V/60V battery etc. Fit for battery: for 18V Lithium-Ion battery: 48-11-1880, 48-11-1835, 48-11-1865, 48-11-1890, 48-11-1860, 48-11-1850, 48-11-1812,48-11-1840, 48-11-1820, 48-11-1815, 48-11-1828 The products are only used for flexible conversion between one tool and another lithium