KS-10 'Charger Problem'?

[Zebras]

Intermittent problem charging KS10's

During the past month, I’ve had an intermittent problem charging – about one day in ~10. Typically, at night I turn off the aids with the buttons and then “bake” them in a dryer and put them in the charger but do not plug it in. In the morning, I plug in the charger and the aids are ready in ~40 minutes. But occasionally, including today it fails. Today, they started flashing yellow as usual and after ~30 min. flashed green. But they were still flashing green 45 min. later. So I unplugged …