Watch to see the difference adding a 12 volt battery can make to a Power Wheels car when you wire it inwith the original 12 volt battery. A 24 volt Power Wheels is pretty fast. I do not suggest that anyone try this at home, this video is for your entertainment only.\rbr\rbr\rbrGo check out my website\rbr\rbr-------------------\rbrEmail \rbrthefurrminator@gmail.