Power Wheels Adapter Fit for Dewalt 18/20V Battery, EEEkit Battery Adapter for RC, Toy, Truck, 12 Gauge Robotics, DIY Power Source Converter with Fixing Holes - Walmart.com
DEWALT FLEXVOLT 20V/60V MAX Lithium-Ion 9.0Ah Battery DCB609 - The Home Depot
DEWALT 20V MAX Battery, 5 Ah, 2-Pack, Fully Charged in Under 90 Minutes (DCB205-2) - - Amazon.com
DEWALT 20-Volt 2-Pack 2 Amp-Hour; 2 Amp-Hour Lithium Power Tool Battery Adapter Kit (Charger Included) in the Power Tool Batteries & Chargers department at Lowes.com