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The NEW ProStar MPPT™ is a mid-range MPPT solar charge controller with TrakStar Technology™ that provides  maximum power point tracking (MPPT) battery charging for off-grid photovoltaic (PV) systems up to 1100 watts. Available with and without advanced built-in meter. This device is ideal for industrial and residential applications.


Key Features and Benefits

  • High Reliability
    • Conformally coated circuit board and corrosion resistant terminals.
  • Maximizes Energy Harvest
    • Using TrakStar MPPT Technology to determine and adjust to the true maximum power point as solar insolation changes throughout the day.
  • High Efficiency
    • At low, medium and high power levels.
  • Data Logging
    • Up to 256 days of data logging.
  • Low Noise Design
    • Meets US Federal Communications Commission Class B specifications.
  • High Load and automatic PV-based Lighting Control
    • Field adjustable multi-event load control enables powerful options for PV lighting systems.
  • MODBUS Communications
    • Solar Industry Standard MODBUS communication protocol allows for easy programming, control, remote data access and charge synchronisation.
  • High Strength
    • Polycarbonate case and extruded aluminium heatsink.
  • Built-In Self-Diagnostics
    • Continuous monitoring and reporting of any errors through its status LEDs, optional display or communication port.
  • Meter
    • Allows adjustments to charging, lighting and load control settings without a computer.




  • Leisure (Caravan & Boating)
  • Lighting
  • Railroad Signalling
  • Residential
  • Rural Electrification & Solar Home System
  • Security and Instrumentation
  • Small Wind
  • Solar
  • Transportation and Traffic




PS-MPPT-25 /
PS-MPPT-25M (w/ Meter)

PS-MPPT-40 /
PS-MPPT-40M (w/ Meter)

Max Battery Current

25 Amps

40 Amps

Load Current Rating

25 Amps

30 Amps

Max. PV Open Circuit Voltage (Voc)

120V (without damage to unit)

Nominal Battery Voltage

12V or 24V


 Nominal Max. Operating Power

12V Battery: 350W @ 45degC

24V Battery: 700W @ 60degC

12V Battery: 550W @ 45degC

24V Battery: 1100W @ 60degC

Peak Efficiency


Battery Voltage Range

10 to 35V

Voltage Accuracy

<= 0.1% (+/-50mV)



Normal = 0.6W / Maximum = 1W

LED Indications

(1) Status, (3) Battery S.O.C.

Transient Surge Protection

Solar, Battery, Load

Operating Temperature Range

-40 to +60 degC

Meter Operating Temperature Range

-20 to +60 degC

Storage Temperature

-40 to +80 degC


100% (non-condensing)


Conformal coating, marine-rated terminals


More Information / References

  Download - ProStar MPPT - Datasheet

  Download - ProStar MPPT - Operation Manual

Brands / +65 68534245

Our Address:
10 Admiralty Street, 
#04-76, North Link Building, 
Singapore 757695
Hours of Operation:
Mon. to Fri.: 8.30am to 6.00pm
Weekends & Public Holidays: Closed

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