... time-delay function 12V/24V 5A~20A AC/DC solar hybrid controller SR-LE1.AC/DC switching over automatically.2.Soft switching, OMS ... time-delay function.12V/24V 5A~20A AC/DC solar hybrid controller SR-LE1. AC/DC switching over automatically.2. Soft switching, OMS ... utility power supply situation.12V/24V 5A~20A AC/DC solar hybrid controller SR-LEModelSR-E seriesrated charging current5A ,10A ,15A ,20A ...