What causes the car not to stay charged after starting?

Since theres no clear answer you should take your car to a shop where the can help diagnose the problem.

I WAS TOLD IT WAS THE O2 CENSOR

I HAVE BEEN HAVEING THE SAME PROBLEM WITH MY 2005 DODGE MAGNUM IF ANYONE HAS A GOOD ANSWER PLEASE HELP. AS I HAVE TAKEN IT TO DEALERS AND SHOPS AND NO ONE HAS AN ANSWER.