You went to school your 1997 chrysler sebring 2.5 v6 drove fine after school you went to start your car and the battery was dead a friend gave you a jump you drove about 30 minutes and got home dead?

You went to school your 1997 chrysler sebring 2.5 v6 drove fine after school you went to start your car and the battery was dead a friend gave you a jump you drove about 30 minutes and got home dead?
You need a new battery or a new alternator.