The Gens ace 11.1V 25C 3S 5000mAh Lipo Battery Pack provides all the wild power you need for your rc cars, just the perfect size, ideal weight, help you win all the attention in the RC track. The 50C true rate gives you enough power for acceleration, it is all about the speed. For convenience, there is an extra female XT60 plug inside the box for free. And the 5000mah 11.1v lipo battery provides your batteries very solid protection.