Here is a LeapFrog Car Adapter for $4.24 at Amazon!
Grab this LeapFrog Car Adapter for only $4.24, down from $14.99! Get Free Shipping with Amazon Prime, or Free Super Saver Shipping on orders of $25 or more! This Car Adapter is compatible with LeapPad2, LeapPad 1, LeapsterGS Explorer, and Leapster 2 System. It even has a 6ft cord so that your kids can play in the back seat while their device charges!
Pricing subject to Change at any time. Please make sure you check the current price on Amazon.com before purchasing.