hey so i bought a ag dvx100 p used a few weeks ago and havnt really gotten a chance to use it yet. i went to my local hill the other day to do some filming and the battery just died in less than 10 min. so i put the other battery in and it did the same thing. so i charged them when i got home and tryed it again. but they did the same thing. are the batterys shot or is there something wrong with the camera or connection or something? id like to know before i go and spend money on a new battery.