User Friendly LCD Display & Interface.Solar Panel Capacity: Upto 500W.Smart Solar Optimization Usage Settings.Low Cut: 175 ± 10V (UPS) & 90 ± 10V (WUPS).Low Cut Recovery: 185 ± 10V (UPS) & 110 ± 10V (WUPS).High Cut: 265 ± 10V (UPS) & 295 ± 10V (WUPS).High Cut Recovery: 255 ± 10V (UPS) & 285 ± 10V (WUPS).Change Over Time: Less than 10ms (UPS) & Less than 30ms (WUPS).Overload: Greater than 110%, Charging Boost Voltage (LA/Floded): 14.0 ± 0.2 Each Battery & Charging Boost Voltage (Tubular): 14.5 ± 0.2 Each Battery.Low Battery Warning: 10.7V ± 0.2V Each Battery, Low Battery Cut: 10.5V ± 0.2V Each Battery & DC Load Battery Cut: 10.3V ± 0.2V Each Battery.Solar Charger: 50A MPPT, Max. Solar Input Voltage (Voc): 25V Each Battery & Charging Priority: Battery is Always Charges through Solar Priority.