7.7.1 r9647 To charge up the battery is bases on 2 conditions the status of the charge counter is less than 1800 and a new battery has been added to the system. It has been discovered that if the player has been turned off  (the goodbye message) and left to sit for a long time weeks or months of self discharge. When powered back on the stored charge value will prevent the battery from charging.  There should be some basic voltage checks in addition to the charge status to indicate a charge is needed.  Another way might to be to record the time at power down and when powered up again and charge when a certain amount of time has passed.