... Various protection 4.Temp. compensate 12V/24V Single output pwm Solar charge controller SR-L1.PWM2.Digital LED display3. ... Various protection4.Temp. compensateSingle-output series (SR-L)1. PWM charging mode.2. Five load working mode.3. Digital LED ... seriesrated charging current5A,10A ,15A ,20A ,30A ,40A(optional)Rated discharging current5A,10A ,15A ,20A ,30A ,40A(optional)Working Voltage12V ; 24V ; ...