【Conversion function 】This adapter is for Craftsman 20V Lithium Battery ：CMCB204 CMCB202 CMCB201 CMCB209 CMCB205,converting your for Craftsman V20 battery into for Milwaukee 18V Lithium-ion Battery. 【Easy installation】This 20V battery adapter MAN20ML Made of fireproof ABS material, Professional compact design and easy installation.
eBay