MT1550-EU

15A MPPT SOLAR CHARGE CONTROLLER

MPPT, 15A/15A, 12V
5V2A USB*2
200W max input power, 35V max solar voltage,
LCD display, common negative
solar controller 12v
Applicable to both lead acid and lithium batteries

  • Innovative MPPT technology, tracking efficiency 99.9%, conversion efficiency up to 97%
  • Real-time display the operational data and working status of the controller in digital, graphic and textual forms by a large LCD
  • AGM,Gel &Liquid battery to choose
  • Two navigation buttons, easy to implement various operations
  • 5V2A, 2 USB interface
  • 12V system voltage,
  • Temperature compensation,
  • Perfect EMC design
  • Four stage charge way: MPPT, boost, equalization, float
  • Full automatic electronic protect function



MT1550-EU
Max charging current 15A
Battery Parameters System voltage 12V 
Battery type Liquid,GEL,AGM,Lithium
Max battery voltage 20V
GEL,AGM Mppt charging voltage before boost or equalization charging stage
Flooded Boost voltage 14.0~14.8V@25℃(default:14.5)
Equal voltage 14.0~15.0V@25℃(default:14.8)
Float voltage 13.0~14.5V@25℃(default:13.7)
Low voltage disconnect 10.8~11.8V (default: 11.2)
Reconnect volt. 11.4~12.8V(default: 12.0)
Overcharge protect 15.5V
Temp. compensation -4.17mV /K per cell (Boost . Equal) . -3.33mV/K per cell (Float)
Lithium Charging target voltage 10.0~17.0V (Lithium, default: 14.4V)
Low voltage disconnect 9.0~15.0V (Lithium, default: 10.6V)
Panel Parameters Max solar voltage 35v
Max input power 200W
Dusk/dawn detect volt. 3.0~8.0V
MPPT tracking range (Vb+1.0V)~Voc*0.9*Vb means the battery voltage
Load Work mode Standard,D2D,Street lamp,User defined mode
Max load current 10A
System Parameters Max tracking effiency >99.9%
Max charge conversion 98%
Self consumption 8mA(12V)
Communication RS485(RJ11); Bluetooth optional
Grounding Common Negative
Wire terminals 8AWG (10mm²)
Dimensions/Weight 189*96*53mm/420g
Ambient temperature -20 °C ~+50°C
Ambient humidity 0~100%RH
Protection degree IP32
Max altitude 4000m


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