... Show lights for battery’s power2, Show light for inverter’s working3, Show light for inverter’s not working4, Show light ... Show light for 12V load(shine for working,not shine for not working)7, Show light for 8.4V ... load(shine for working,not shine for not working)8, Show light for 5V load( ... 3.3V select output button12, Check button for battery’s power13, DC 24V output terminal -14, DC 24V ...