dead battery

Just a head's up ... at 3,700 miles my C7 experienced a dead battery. Jumped it, and took it to the dealer. They replaced the battery (even though it load-tested OK). Two weeks later, same symptoms. This time GM towed the car to the dealership. Peak/hold current meter showed no strange...

I'm wondering if any of my fellow C7 owners have experienced a dead battery? Almost TWO years from my date of purchase, my battery became deceased WITH NO ADVANCED WARNING!! I live in the southwest where we experienced a very hot summer; others may have experienced very cold temperatures in the...