Features 1、Brand new and high quality. 2、Compatible with all Black Decker 18V NiCad & NiMh Battery Tools and allows for use of Black Decker & Stanley & Porter Cable 20V Lithium Battery 3、High quality 20V battery adapter for Black Decker 18V NiCad & NiMh Battery Tools. (Only for Brand Black & decker 18V tools, Not for Porter-Cable 18V tools etc). 4、This adapter no need to be charged (CANNOT charge battery with this Adapter! Please remove this adapter before charging battery.) 5、Compatible with Black & Decker 20V Lithium Battery, Stanley 20V Lithium Battery, Porter Cable 20V Lithium Battery. Features: Brand new and high quality. Compatible with all Black Decker 18V NiCad & NiMh Battery Tools and allows for use of Black Decker & Stanley & Porter Cable 20V Lithium Battery. High quality 20V battery adapter for Black Decker 18V NiCad & NiMh Battery Tools. (Only for Brand Black & decker 18V tools, Not for Porter-Cable 18V tools etc). This adapter no need to be charged (CANNOT charge battery with this Adapter! Please remove this adapter before charging battery.) Compatible with Black & Decker 20V Lithium Battery, Stanley 20V Lithium Battery, Porter Cable 20V Lithium Battery. Specification: Size: 14.3 x 7.5 x 5.9cm / 5.63 x 2.95 x 2.32 inch (appr.) Package List: 1 x 20V Battery Adapter Package List