... consist of Solar Controller, Battery, Solar Inverter together in one box Solar Inverter System SOROTEC Solar Inverter System supply (SPS)SPS consist of ... , Ni-Cd battery or Lithium battery.4.Inverter: The direct output solar power is 12VDC, 24VDC,48VDC.In order to prvide 220VAC ... power for the electric appliances,so one DC-AC Inverter is necessary ...