... .(KG)38/41Loading Quantity44pcs/20GP,92pcs/40GP, 92pcs/40HQRecommended solar systemsolar panel(180W), battery(12V/150AH), controller(12V/15A ... in conventional 220V, then the refrigerator can work well without solar panels, battery, controller, This is the simplest method.2 ... when the solar panel can provide electricity, it will go back to DC solar power(12v/24v) 188L DC Compressor Solar Freezer System