DeWalt DCA1820 20V Max Battery Adapter

18V Stem-Top to 20V Max Slide Battery AdapterAllows for use of 20V MAX compact batteries in most DeWalt 18V stem-top battery type tools.Standard Equipment:DCA1820 Battery AdapterSpecifications:Features: Compatible with most DEWALT 18V tools. Allows for use of 20V MAX Compact Batteries in most DEWALT 18V tools. Requires use of DEWALT 20V MAX* charger. Adapter will not fit into DEWALT 18V chargers. Battery and charger are sold seperately. Do not use adapter with premium batteries (DCB200, DCB204, DCB204BT, DCB205) in 18V Compact drills DC970, DC759. Use with DCB201, DCB203, DCB203BT compact batteries.