MPPT Controller 50A - 200V 12/24/36/48V

MPPT Solar controllers (Maximum Power Point Tracking) can intelligently regulate the working voltage of solar panels, letting the solar panels always work at Maximum Power Point of V-A curve. Compared with ordinary solar controller, this MPPT controller can increase the efficiency of PV modules by 10% to 30%.

This series of controllers are based on multiphase synchronous rectification technology (MSRT) and advanced MPPT control algorithms, with dual-core processor architecture and common negative design, these features give a high response speed, high reliability, and meets high industrial standards. MSRT can guarantee very high conversion efficiency, which sharply improves the energy efficiency of a solar system; Advanced MPPT control algorithm minimises the maximum power point loss rate and loss time, to ensure the tracking efficiency, corresponding speed as well as a high conversion efficiency under high or low power. In any situation, this controller can rapidly track the maximum power point (MPP) of a PV array to obtain the maximum energy of the panel. The limitation function of the charging power and current, and automatic power reduction function fully ensure the stability when working with oversize PV modules and operating in high temperature environments. The adaptive three-stage charging mode is based on a digital control circuit.


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This series of controllers can effectively prolong the life-cycle of batteries, significantly improving the systems performance. The load, utility or generator auto-control relays make it ideal to use with a solar power system and backup generator. All-around electronic protections, including overcharging, over discharging, and PV reverse polarity protection this effectively ensure a safe and reliable solar system. The isolated RS485 interface with standard MODBUS communication protocol and 5V power supply makes it easy for customers to expand the control parameters. Up to 8 controllers can be in linked in parallel for synchronised charging to meet future system expansions and monitoring requirements.


  • CE certification (LVD EN/IEC62109,EMC EN61000-6-1/3). 
  • High quality & low failure rate components of ST and Infineon to ensure the productís life.
  • Advanced MPPT technology & ultra-fast tracking speed, with tracking efficiency no less than 99.5%.
  • Maximum DC/DC transfer efficiency is as high as 98.6%, full load efficiency is up to 98%.
  • Advanced MPPT control algorithm will minimise the MPP loss rate and loss time.
  • The accuracy of the recognition and tracking at the highest point of multiple-peaks MPP.
  • The wider range of MPP operating voltage.
  • Auto control system to limit the charging power & current go over the rated value.
  • Support 4 charging options: Sealed, Gel, Flooded and User.
  • Battery temperature compensation function.
  • Real-time energy recording and statistical function.
  • Automatic over-temperature power reduction function.
  • Hundred percent full load operation in working environment temperature range within charging & discharging.
  • Support up to 8 units in parallel to expand system. 
  • Load relay control external load switch signal to realise diversified load work modes.
  • The first and the second disconnection of load control, contain two relayís contact.
  • Auto-control of utility and generator relay design.
  • Utility or generator auto-control relays make it easy to compose the hybrid power system.
  • The remote temperature and the voltage sensor design will collect accurate data of battery temperature and voltage. 
  • Isolated RS485 with 5VDC/200mA to protect output for no power devices with MODBUS protocol.
  • To monitor or set the parameters by using the phone Apps or PC software. 



  • Nominal System Voltage: 12/24/36/48VDC or Auto
  • Battery Input Voltage Range: 8V~68V
  • Battery Type: Sealed(Default)/Gel/Flooded/User
  • Max Rated Charging Current: 50 amps
  • Max Rated Charge Power: 625W/12V - 1250W/24V - 1875W/36V - 2500W/48V
  • Max Input Voltage: 200Vdc
  • Max. conversion efficiency: 98.6%
  • Full load efficiency: 98%
  • Tracking efficiency: ≥99.5% 
  • Self Consumption: 98mA/12V;60mA/24V;50mA/36V;46mA/48V 
  • Grounding: Common negative grounding
  • Relay: Rated Value:5A/30VDC; Max. Value:0.5A/60VDC
  • Ambient temperature range: -25℃~+60℃ (Derate above 45℃)
  • Enclosure: IP20

Dimensions: 261 ◊ 216 ◊119 mm

Weight: 3.5kg


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