How do I mod the controller after a dual battery mod???
 

If you have any directions or any links please post!!! Thank you. I know how to do the car just not the controller. Thanks a lot.

well, to make a stand alone charger, its really easy. Just open up your controller, and find where the wires from your charging station are connected, then just pull off the wires from the circuit board (be careful you don't pull anything else off in the process!). Go to you nearest radio shack and get a battery holder for 2 AAs, 4AAs, or any other number of AA batteries. then just solder the positive wires from your charging station to the positive wires from the battery holder and solder negetive to negative, and thats it! you will not have an LED light to tell you when the car is fully charged, so you'll have to count yourself.