... battery charger SR-L1. PWM charging mode.2. Five load working mode.3. Digital LED display.3. Over charging protection, ... Temperature compensation function.12V/24V 5A~10A Single output pwm portable solar power system SR-LModelSR-L seriesrated charging current5A,10A ... optional)Rated discharging current5A,10A ,15A ,20A ,30A ,40A(optional)Working Voltage12V ; 24V ; 12V/24V AutoNo load losses<5mA;Charging ...