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MorningStar ProStar PS-MPPT-25M Charge Controller With Meter

$ 457.00

The Prostar MPPT™ solar charge controller with TrakStar Technology™ is an advanced maximum power point tracking (MPPT) battery charger for off-grid photovoltaic (PV) systems up to 1100 watts. This controller allows multiple modules in series for 12V and 24V battery systems. Detailed battery programming options allow for advanced battery support for the latest Lithium, Nickel Cadmium, and Lead Acid battery types.

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The NEW MorningStar ProStar PS-MPPT-25m Charge Controller is equipped 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. A Wire Box accessory to reduce hazards associated with exposed wires and connections can be purchased separately.

MorningStar ProStar PS-MPPT-25M Features:

  • 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 detailed power and load data.
  • Low Noise Design – meets US Federal Communications Commission Class B specifications
  • Automatic PV Based Lighting Control – field adjustable,multi-event load control enables powerful options for PV lighting systems.
  • MODBUS Communications – Solar Industry Standard MODBUS communications protocol allows for easy programming, control, remote data access and charge synchronization.
  • High Strength – polycarbonate case and extruded aluminum heatsink.
  • Self Diagnostics – continuous monitoring and reporting of any errors through its status LED’s, optional display or communication port.
  • Meter – allows adjustments to charging, lighting, and load control settings without a computer
  • Max. Battery Current 25 Amps
  • Load Current Rating 25 Amps
  • Max. PV Open Circuit Voltage (Voc) 120 Volts (without damage to unit)
  • Nominal Battery Voltage 12V or 24V
  • Nominal Max. Operating Power*
    12 volt battery 350W @45C
    24 volt battery 700W @60C
  • Peak Efficiency 98%
  • Battery Voltage Range 10-35V
  • Voltage Accuracy <= 0.1% +/- 50mV
  • Self-Consumption normal: 0.6W; maximum: 1W
  • LED Indications (1) status, (3) Battery S.0.C.
  • Transient Surge Protection solar, battery, load
  • Load & Lighting Control
    Low Voltage Disconnect, Low Voltage Reconnect Settings:
    11.4V/12.6V or custom (x2 for 24 volt systems)
  • Lighting Settings: Dusk-dawn or custom

MorningStar ProStar PS-MPPT-25M Specifications:

  • Dimensions
    Standard: 20 x 17 x 7 cm / 7.9 x 6.7 x 2.8 in
    w/ Wire Box: 20 x 28.5 x 9.2 cm / 7.9 x 11.2 x 3.6 in
  • Weight
    Standard: 1.4 kg / 3.1 lbs
    w/ Wire Box: 1.8 kg / 4.0 lbs
  • Wire Size Range
    Power terminals: 2.5 – 35 mm2 / 14 – 2 AWG**
  • Battery/Temp. sense: 0.25 – 1.0 mm2 / 24 – 16 AWG
  • Knockouts (wiring box option): M20, 1/2”, 1” (trade sizes)
  • Enclosure: IP20, Type 1
  • Electronic Protections
    Automatic recovery without fuses
    Solar Input: overload, short-circuit, high voltage warning, reverse polarity, high temperature, nighttime reverse current
    Load Output: overload, short-circuit, high temperature,reverse polarity
    Battery: reverse polarity (no battery removal)
  • Battery Charging : 4-stage charging: Bulk, Absorption, Float, Equalize , 7 standard battery settings and customization , Temperature Compensation
  • Coefficient: -5 mV / C /cell (25 C / 77 F ref.)
  • Range: -30 C to +60 C / -22 F to +140 F
  • Setpoints: Absorption, Float, Equalize Data & Communications
  • Communication Port: MeterBus
  • Protocols: Morningstar MeterBus, MODBUS
  • Datalogging: 256 days, daily records
  • PC Software: MSView
  • Certifications
    CE; RoHS; ETL Listed (UL1741, UL 62109); cETL (CSA-C22.2 No. 107.1)
    TUV (IEC 62109-1); FCC Part-15 Class B compliant
  • Manufactured in a certified ISO 9001 facility

Data Sheet
Operations Manual

Additional information

Weight 4 lbs
Dimensions 7.9 × 6.7 × 2.8 in
Manufacturer Part Number


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