12V/24V 15A~20A Single output pwm Solar charges SR-L 1. ... 3.Various protection 4.Temp. compensate 12V/24V 15A~20A Single output pwm Solar charges SR-L12V/24V 15A ... output pwm Solar charges SR-L12V/24V 15A~20A Single output pwm Solar charges SR-L1.PWM2. ... L seriesrated charging current5A,10A ,15A ,20A ,30A ,40A(optional)Rated discharging current5A,10A ,15A ,20A ,30A ,40A(optional)Working Voltage12V ; ...