DEWALT 18V to 20V MAX Lithium-Ion Battery Adapter Kit (2 Pack) DCA2203C - The Home Depot
Amazon.com: Adapter Run Tools# Fits Black+Decker & Fits Porter Cable 20v MAX (Not Old 18v) Tools Compatible with DeWalt 20v MAX Li-Ion Battery- Adapter Only (New Version) : Tools & Home Improvement
DeWalt 18v battery adaptor to old DeWalt xrp pushin tools replace DC9096, DC9180 | eBay