SMR-MPPT2075 BT

20A MPPT SOLAR CHARGE CONTROLLER

MPPT, 20A, 12V/24V auto,
260W/520W max input power, 55V max solar voltage,
infrared, IP67

  • Innovative Maximum Power Point Tracking(MPPT) technology, tracking efficiency >99.9%
  • High charge conversion efficiency up to 96.5%6
  • Multiple load output modes are available
  • Use high performance, ultra-low power consumption Bluetooth dedicated chip
  • Adopt Bluetooth 5.0 and BLE technology
  • Suitable for Gel, Liquid, AGM and Lithium batlery
  • Four slage charging: MPpT, boost, equalization, float
  • 0'c Charging Protection(Lithium)
  • When BMS power off because of LVD, it can activate the syslem automatically
  • Day/Night threshold can adjust automatically
  • Waterproof iP67, Strong and durable aluminum case
  • Full automatic electronic protect function

Item SMR-MPPT1050-BT SMR-MPPT1575-BT SMR-MPPT2075-BT
Max Charging Current 10A 15A 20A
System Voltage 12V 12V/24V automatical recognization 
Max input power 130W 200W/400W 260W/520W
Max volt on Bat. Terminal 25V 35V
Battery Type Lithium, Liquid, Gel, AGM (Programmable, default: Gel)
Liquid, Gel, AGM MPPT Charging Voltage <14.5V@25℃ <14.5/29V@25℃  
Boost Voltage 14.0~14.8V @25℃         28~29.6V(Default:14.5/29V@25℃)
Equalization Voltage 14.0~15.0V @25℃        28~30V(Default:14.8/29.6V@25℃)(Liquid, AGM)
Float Voltage 13.0~14.5V@25℃         26~29V(Default:13.7/27.4V@25℃)
Low Volt. Disconnect 10.8~11.8V 10.8~11.8V/21.6~23.6V(Default: 11.2/22.4V) 
Reconnect Voltage 11.4~12.8V 11.4~12.8V/22.8~25.6V(Default: 12.0/24.0V)
Overcharge Protect 15.5V 15.5/31.0V
Temp. Compensation -4.17mV/K per cell (Boost, Equalization), -3.33mV/K per cell (Float)
Lithium Charging voltage target 10.0~17.0V 10.0~32.0V( Programmable)
Charging voltage recovery 9.2~16.8V 9.2~31.8V(Programmable)
Low voltage disconnect  9.0~15.0V 9.0~30.0V( Programmable)
Low voltage reconnect  9.6~16.0V 9.6~31.0V( Programmable)
0℃ Charging protection Yes, No, Slow(Default: Yes)
Max volt on PV terminal *1  45V   55V
Dusk/Dawn detect volt. 3.0~8.0V 3.0~20.0V (Programmable)
Day/Night delay time 0~30Min (Programmable)
MPPT tracking range   *2   (Battery Voltage + 1.0V)~Voc*0.9
Max tracking efficiency >99.9%
Output Current 10A 15A 20A
Max charge conversion 96.5% 97.5%
Self consumption 10mA 12mA
Dimensions 81*85.8*23.1mm          145*85.8*30mm 145*95.8*42.5mm
Weight 260g 600g 730g
Ambient temperature -35~+60℃
Ambient humidity 0~100%RH
Protection degree IP67
Max Altitude 4000m

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