... switching, OMS time-delay function 12V/24V AC/DC hybrid solar PV controller SR-LE1.AC/DC switching over automatically.2.Soft ... the utility power supply situation.12V/24V AC/DC hybrid solar PV controller SR-LEModelSR-E seriesrated charging current5A ,10A ,15A ,20A ... protection for solar battery and storage battery.12V/24V AC/DC hybrid solar PV controller SR-LE12V/24V AC/DC hybrid solar PV controller SR ...