Milwaukee M18 18-Volt Lithium-Ion High Output 12.0Ah Battery Pack (3-Battery) 48-11-1812-48-11-1812-48-11-1812 - The Home Depot
Amazon.com: Power Wheel Adapter with Fuse & Switch, Secure Battery Adapter for Milwaukee 18V Lithium Battery, with 12 Gauge Wire, Good Power Convertor for DIY Ride On Truck, Robotics, RC Toys and