EPHC10-ST SOLAR CONTROLLER FOR SOLAR HOME SYSTEMS EPHC10-ST series is the second generation of small solar controller. It is ideal for rural electrification PV system. Features Microcontroller digital accuracy PWM Charge mode State of charge ( SOC) Temperature compensation Automatic detection of the voltage External temperature sensor Big terminals and big distance between terminals EPHC10-ST series: 12 VOLT or 12/ 24 VOLT auto work, 10 AMPS ( for PV and load)