... 1.AC/DC switch over automatically 2.soft switching, OMS time-delay function 12V/24V 5A~20A AC/DC solar hybrid controller ... -LE1.AC/DC switching over automatically.2.Soft switching, OMS time-delay function.12V/24V 5A~20A AC/DC solar hybrid controller ... -LE1. AC/DC switching over automatically.2. Soft switching, OMS time-delay function.3. Various protections.4. Independent loop, charging circuit voltage ...