Hello, I'm new in rc world, I have a STAMPEDE 4x4 VXL, and I would like to know if this battery charger and serve him?

Battery: DuraTrax LiPo 11.1V Onyx 5000mAh 25C (DTXC1866)
Charger: DuraTrax Onyx 245 AC/DC Dual Charger (DTXP4245)

Is necessary to make some sort of modification in the car to use this battery 3?