RE: battery info wanted
The AA's aren't a problem, the stupid battery holder is. And NO ONE makes one that is decent. Iget 3 or 4 cars a month in for 20-50 in parts because the batteryholder went bad and the car ran into something WOT. Everyone of them changes to a rechargable hump pack and the problem is down. If you think I'm bashing Redcat on this, think again, I've tried holders from almost every manufacturer, and they all fail from the holder falling apart.
I recommend changing that holder to a hump pack, and replacing the stock single element airfilter with something dual element (with a little cutting a Motor Saver 8FFM filter will work.)