LiFePO4 Batteries

[yash101]

Originally Posted by G33K

I'd check out LiFePo4 batteries for hobby applications initially. Here's an 8.4Ah, 4-cell pack (13.2V nominal) on HobbyKing: http://hobbyking.com/hobbyking/store/__14074__ZIPPY_Flightmax_8400mAh_4S2P_30C_LiFePo4_ Pack.html
With a 30C constant discharge rating, it should be able to crank out 252 amps continuously.

That is a good idea. That way, if the car crashes or flips over, I won't have as big of an explosion. Also, I would put a few of these in parallel, for capacity and for discharge rate