lipos on both batteries (traxxas 2's 7600mah) at the back end (front being the wire side) the is a little bulge maybe a 1/4 inch on one side and dent on the other about a inch long and the with of the battery is this normal? it was the first use! they were in the battery boxs the whole time dont under stand it at all and not sure if I should charge them or not!!!!

they are both holding at 7 volts, no leaks, no swelling or puffing

PLEASE HELP!!!!!!!!!