... ,19,22,24 V (voltage.)4.Battery status Indicator and Output voltage Indicator: green light show Battery status =25%.50%,75%,100%, Red light ... show Output voltage=3V, 6V, 9V, 12V.5.Output voltage Indicator ... light show Output voltage=16V, 19V, 22V, 24V.6.Charging Indicator: Green light=Solar Charging, Red light=AC Charging.7.Output ...