Amazon.com: DM18RL Battery Adapter for Dewalt to Ryobi Battery Adapter, Convert Dewalt 20V Llithium Battery to Ryobi 18V P107 P108 Battery with 5V 2.1A MAX USB Charge : Tools & Home Improvement
DEWALT DC9180-2 XRP Li-Ion 18 Volt Heavy Duty Rechargable Battery Pack | Cooper Electric