Sony SRS XB13 Battery Indicator, How to Read

The Sony SRS XB13 Extra Bass Bluetooth speaker has a battery level indicator LED near the bottom of the button panel, as shown in the following pictures.  This displays battery status. E.g. Whether it’s draining or charging, or whether it’s critically low or not when discharging.  But it neither reads out charging progress, or how … Continue reading Sony SRS XB13 Battery Indicator, How to Read