1.Inverter comprehensive display screen 2.Use on the LI-ON BATTERY. ... :500W,800W,1000W,1500W,2000W and so on. Products Name: Inverter comprehensive display screen Model: DL-NB1 Application : use for show ... major parameter on the inverter The AC voltage range: AC 0~250V Ac load current range: AC 0.0~5.0A Ac inverter frequency range: AC 0.0~100 ...