Sony SRS XB31 Battery Indicator, Charging Light

The Sony SRS XB31 Bluetooth speaker has a simple battery level indicator LED in the rear button panel, just beneath the power input port, as shown in the pictures that follow.  This tells battery status. E.g. Whether it’s draining or charging, or whether it’s critically low or not when discharging.  But it neither shows charging progress, … Continue reading Sony SRS XB31 Battery Indicator, Charging Light