Since mud has the smartest people on any forum. 2010 Camry 99,000 miles 4cyl Wife was sitting in parking lot idling with ac on for about 30 minutes waiting for soccer practice to end. Turns off car for about 2 minutes and won’t turn back on. I jumped it after the battery charged for about 5 minutes and it cranked on. Battery is about 2 yo from Advance Auto Parts. They tested the battery and said it needs charged. They pull it charge inside for 30+ minutes. Run another diagnostic and claims excessive ripple and needs alternator. Does this sound right? Not sure I’ve ever had a bad Toyota alternator this early Here are the side x side print out before and after the charge.