MT20DL Adapter Converter, Convert for Makita 18V Li-ion Battery BL1830 BL1860 BL1815 to for DeWalt 18V/20V DCB200 Lithium-Ion Battery Adapter, Use for DeWalt 18V/20V Max Li-ion Cordless Power Tools - - Amazon.com
DEWALT 18-Volt to 20-Volt MAX Lithium-Ion Battery Adapter Kit with 20-Volt MAX XR Premium Li-Ion 5.0Ah Battery Pack (2-Pack) DCA2203CWDCB205