roedge

Anyone have this problem? I just put a new battery in about 3 weeks ago. Wife called yesterday and was stuck at a QT. Said car was dead. Got there and like before when I replaced battery there were no dash lights or interior lights. So I jumped the car and it started just fine. I then drove it home (20 mi) and turned car off. Then decided to go to auto zone and have alternator tested. Turned car of there and they did a battery test (not sure kid who tested it got good connection since he was having problems with meter) and it tested bad. So I pulled battery and took it back to Costco to have it tested to get another battery. It tested as 12.2 volts and 860 CCA available on a 660 CCA battery. This morning started car and everything good. Stuck a volt meter on battery before start and it was 12.2 volts then started car and it read 14.8 volts, so don’t think it’s the alternator. Any ideas were to check next. This seems to be very intermittent.