... for this design hot!!!Grid Connected Solar Power System(perfect function ,sales the power and backup)Grid connect solar home system ... sunpower to goverment and also take the load (2 perfect function) load Application: Lighting, TV , radio, street lights, water pump, ... load, Short-Circuit, Over Heat, Anti-isolated Island Effiency, Polarity Joint-ReversedAllowed Voltage Range Of Grid:90-130v or 220-240V ...