Sometimes you run your Rockslide RS10 XT 1/10 Scale Crawler is all we need longer running time, so we need a high capacity battery for your Rockslide RS10 XT 1/10. Available in an array of RC car lipo batteries, Gens Ace Lipo battery is a good solution, high capacity, light weight, longer cycle life, higher discharge platform and less voltage sag will bring you a good driving experience.