... function is to convert the solar power into electricity power,or transfer the electricity power into battery to save,or ... Lithium battery.4.Inverter: The direct output solar power is 12VDC, 24VDC,48VDC.In order to prvide ... to convert the DC power into AC power,When you design and install the solar power supply system, you should consider ... . How many sets do you need ? solar home inverter off grid