[Compatible for Ryobi 18V Lithium batteries]The adapter is compatible for Ryobi 18V Lithium battery.Adapter for Ryobi 12V Battery Compatible for RYOBI CB120L CB121L BPL-1220 130503001 130503005, 12V Lithium Battery(Battery NOT Included) [Compatible for Ryobi 12V tools]This adapter can make listed lithium batteries use for Ryobi 12V lithium cordless power tools, and let you enjoy the advantages of extended run-time of Li-Ion Batteries on your existing 12V tools. [Material]Non-3D printed, sturdy and durable, lightweight and convenient, extend the life of the tool. Note:Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Color: As Shown Material: plastic Package Contents: 1 x Adapter(Adapter only, tool and battery not included)