I'm sure this is very rare but I picked up a SBSS today that won't charge. I did get it to charge a few percentage points but then it literally started discharging instead of charging. I did a hard reboot, re-paired with a fresh install and checked the charger with my Series 3. The charger was fine. Unfortunately it seems I have this defect. Wondering if any others experienced this or if there is another step I might be missing in trouble shooting before I pack it up and return it.