JNK 48V Solar Charge Controller PWM Battery Charger Regulator(30A ) Item Type: Solar Charge Controller  10A, 20A, 30A48V15V/30V/60V22V/44V/88VRated charging current10A20A30A40A50A60A≤0.7V≤0.2VStatic loss0.2WcommunicationRS232/RJ45 InterfaceUSB output0.5A/5VOver-temperature protectionBelow 75℃ full current, 75℃-90℃ half current,  above 90℃ off chargeWorking environment parametersLCD display temperature-20℃-75℃Working environment temperature-20℃-50℃Storage temperature-30℃-70℃Protection levelIP30Mechanical parametersWire terminal（㎜²)2.5610101616Size LxWxH（mm)153 x 94 x 46.5mm / 6 x 3.7 x 1.8in207.5 x 129 x 69.5mm / 8.2 x 5.1 x 2.7inNet weight（kg）0.350.380.401.301.351.40Battery parametersBattery typeColloid lead acid batterySealed lead acid batteryLithium iron phosphate batteryManganatelithium batteryUserdefinition15.515.513.214.413-1614.815.012.614.013-1614.614.612.413.813-1514.214.412.213.613-1513.613.812.013.212-1412.612.811.512.611-1310.810.89.610.59-11Equilibrium charge duration(min)——12012012060-180Enhance charge duration(min)12012012012060-180Maximum10VMin6VDefault8VMaximum8VMin2VDefault4VBattery temperature compensation parameters Temperature compensation parametersMaximum0mV∕℃∕2VMin-8mV∕℃∕2VDefault-4mV ∕ ℃ ∕2V （based on 25℃）