... 20A 3.WORK VOLTAGE: 12V,24V AUTO SOLAR INTELLIGENT CONTROLLER TypeBY 20A Rated charging current20A Rated load current20A Work voltage12V ... using industrial grade chip (only on I industrial controller ), in the cold, high temperature, damp environment running freely. At the same ... area metal fins, cooling performance is good, allowing the controller to work more stable.Size:140*100*30mmPacking: Blister, ...