Amazon.com: Battery Adapter for Makita DCA1820 18V Compatible with Makita Lithium Battery to DeWalt CA1820 18V DC9180 DC9096 Tool Use : Tools & Home Improvement
2 Pack ExpertPower Replacement Battery for De-Walt DC9182, DC9181, DC9180, 18V XRP Lithium Ion fits All Dewalt 18 Volt Tools - - Amazon.com
DEWALT DC9180 | MTO Battery
DEWALT DC9180-2 XRP Li-Ion 18 Volt Heavy Duty Rechargable Battery Pack | North Coast