12v 24v 48V Aluminum Alloy MPPT Solar Power Charging Photovoltaic Controller Regulator(MPPTAL50A ) Condition: Item Type: Solar Charge Controller Material: Aluminum Alloy Weight: Approx. 1830g / 64.6oz Parameter name Parameter values (and adjustable ranges) Default Model JN-MPPT-AL(30-50A) Current rating (Optional) 30A 40A 50A System identification voltage range (V) 12V system DC9V-DC16V 24V system DC18V-DC32V 48V system DC42V-DC60V PV panel open circuit input voltage range (V) 20V-100V (12V system) 40V-150V (recommended below 145V) (24V system) 80V-150V (recommended below 145V) (48V system) Maximum charging current (A) 30A 40A 50A PV maximum input power (12V) (W) 400W 500W 600W PV maximum input power (24V) (W) 800W 1000W 1200W PV maximum input power (48V) (W) 1600W 2000W 2400W Output maximum current (A) 15A 20A 25A MPPT efficiency ﹥99.5% Conversion efficiency ﹥96% System rated voltage (v) 12V System 24V System 48V System Overpressure (overcharge) (v) 14-18V 28-36V 56-62V Overpressure return (v) 13-17V 26-34V 52-62V Charging limit voltage (v) 12.9-16.9V 25.7-33.7V 51.6-62V Balanced charging voltage (v) 12.7-16.7V 25.4-33.4V 50.8-62V Increase the charging voltage (v) 12.4-16.4V 24.8-32.8V 49.6-62V Increase the charge return voltage (v) 11.2-15.2V 22.4-30.4V 44.8-62V Floating charge voltage (v) 11.8-15.8V 23.6-31.6V 47.2-62V Over discharge voltage (v) 8.8-12.8V 17.6-25.6V 35.2-51.2V Over discharge return voltage (v) 11.1-15.1V 22.2-30.2V 44.4-60.4V Balanced charging time (H) 1/2/3 hours Default 2H Increase charging time (H) 1/2/3 hours Default 2H Device address 1-99 Default 6 Light control turn-on voltage (v) 5-11V Default 5 Light control off voltage (v) 5-11V Default 6 Light control delay (H) 10min Temperature compensation (℃) 0-4 Default 4 Over temperature protection (℃) 70℃ current reduction, 90℃ off charging and DC load Working temperature (℃) -20℃- 50℃ Storage temperature (℃) -40℃-80℃ Humidity (℃) 10%~90% no condensation