... LED display 3.Various protection 12V/24V 5A~10A Single output pwm portable solar power system ... protection.5. Temperature compensation function.12V/24V 5A~10A Single output pwm portable solar power system SR ... -LModelSR-L seriesrated charging current5A,10A ,15A ,20A ,30A ,40A(optional)Rated ... solar battery and storage battery.12V/24V 5A~10A Single output pwm portable solar power system SR ...