20A Smart MPPT Charge Controller
Product Description
 1. Clock timing function
 2. Regulatory mechanism of temperature compensation(Only available in 30A/40A/50A/60A)
 3. Ultra Low Power Consumption
 4. Built-in solar data monitoring interface(RS485)(Only available in 30A/40A/50A/60A)
 5. LCD Display with backlight
 6. Good heat dissipation effect with less noise
 7. Light control mode, Time control mode
 8. Reverse protection, short circuit protection
 9. Designed for 12V/24V/48V solar power system
 10. Hanging style design makes it convenient to install
 11. Available in 10A/20A/30A/40A/50A/60A
 
 Protection
 
 * PV array short circuit
 * over discharge Protection
 * Discharge voltage protection
 * IP21 Mechanical protection
 * Load overload
 * the input low voltage protection
 * PV Lightning protection
 * Battery reverse polarity
 * The overcharger protection voltage
Parameter of SR-ML2420
| Parameter | ML2420 | 
| System voltage | 12V/24V Auto | 
| No-load loss | 0.7 W to 1.2W | 
| Battery voltage | 9 to 35 | 
| Max. solar input voltage | 100V (25°C), 90V (-25°C) | 
| Max. power point voltage range | Battery voltage +2V to 75V | 
| Rated charging current | 20A | 
| Rated load current | 20A | 
| Max. capacitive load capacity | 10000uF | 
| Conversion efficiency | ≤ 98% | 
| MPPT tracking efficiency | > 99% | 
| Operating temperature | 35°C to +45℃ | 
| Protection degree | IP32 | 
| Weight | 2kg | 
| Communication method | RS232 | 
| Altitude | ≤ 3000m | 
| Product dimensions | 238*173*72.5mm | 

