Genuine Original DeWalt 18V Volt NiCd OEM Compact Battery Pack DC9098 NEW IN BOX 798304076745 | eBay
DEWALT 18-Volt to 20-Volt MAX Lithium-Ion Battery Adapter Kit (2-Pack) and 20-Volt MAX Compact Lithium-Ion 4.0Ah Battery Pack DCA2203CWDCB240 - The Home Depot