Redcat Racing Part # HX-2200MH-T 2200 NiMH battery 7.2V with Tamiya connector. Compatible with the following Redcat Racing vehicles: ROCKSLIDE RS10, ROCKSLIDE SUPERCRAWLER. Redcat Racing is located in the United States and has a full staff of support personnel to help you with your Redcat Racing product. Consult your vehicle manual for correct fitment and assembly. Since 2005 Redcat has been your source for fast - affordable - fun!