battery light is on sputters and died on way home is it battery or alternator

Hello, your battery light will come on when a charging system concern is actively occurring. This can be due to an alternator concern, wiring concern or drive belt concern. Check in these areas. Of course the battery will need to be fully charged and checked also to ensure it is still capable of functioning and handling a load. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops