... , TV, electric tools, music CD, DVD, electric power whose voltage is in 50Hz,220V, Design and manufacture as the small ... red , "shows that built-in battery has a low working voltage.5. LED3 is "red" when output works normally.Technical ... battery:12V12AH full sealed waterproof and moistureproofinverter, AC220V 150Woutput voltage: DC 12V AC 220V voltage ( special for 110V) cabinet : 508*332*73mm ...