I have a new clip+ (4g) model.
I just returned the unit for a new unit, because of battery life…???
The documentation for the unit states a 15hr play time, must be nice… I got 6.5hrs listening to the radio.
I have has the unit plugged in for 2 1/2 days, continuous, with no improvement.
I had a used clip (basic model) with the same issue, thought it was the battery… being a used unit.