Check on Ebay. I picked up four 2500mah Ni-Mh batteries, for $40 including shipping. I've been flying a couple for over two months now and the only donwn side is that I'm getting lazy charging my batteries. I also put a couple of their TX batteries in. I can usualy fly for thee or four days with a week gap inbetween fly days without a charge. The TX batteries are 2500 mah also.

The sellers name I bought from is battery Junction. There are others selling the same brand packs. THe RX ones I got are Dahann, black covering with an brown/ornge lable.

Don