[Lower Interface Compatible with for 20V Li-ion Battery] The battery adapter's lower interface is compatible with for 18V/20V/60V Lithium ion batteries, such as , DCB120, DCB201, , , DCB206, DCB102, DCB104, DCB118, DCB115, etc. [Lower Interface Also Compatible with for 18V Li-ion Battery] Our battery converter's lower interface is compatible with for 18V Lithium ion batteries, such as 48-11-1815, 48-11-1820, 48-11-1840, 48-11-1850, 48-11-1860, etc. [Upper Interface Only fits for 12V/14.4V Nicad and Nimh Power Tools] The DM20DC12 adapter's upper interface is only compatible with 12V NICADandNIMH Power tools. [Convert 18V/20V Lithium to 12V/14.4V NicadandNimh] The adapter can convert for 18V/20V and for 18v lithium ion battery to replace for 12V/14.4V nicadandnimh battery, and then work with for 12V/14.4V nicadandnimh power tools. [Attention Please] Our package only includes 1pcs of adapter, battery and tools are not included. And if you want to charge your battery, please take the adapter off and then use a professional charger to charge. Colour:Black Material:ABS Package Contents: 1 x Battery Adapter (battery and tool are not included) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.