high efficiency MPPT solar power controller with fan cooling function

high efficiency MPPT solar power controller with fan cooling function MPPT Solar Charge Controller eSmart2 Series 12V/24V/48Vdc 20amp - 40amp Quickly view: eSmart2 series 1>Rated Current: 20A 30A 40A 2>Maximum PV(voc) Voltage: 100V 3>System Voltage: DC12V/24V/36V/48V automatic recognition Features of charger controller: 1: Supporting automatic identification of battery voltage 2: MPPT tracking efficiency can be as high as 99.9%. 3: Ultra-fast tracking speed and guaranteed