Morningstar PS15M ProStar 15 Charge Controller - Meter

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Morningstar PS15M ProStar 15 Charge Controller - Meter

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Morningstar PS-15M Summary
Product Type
Charge Controller
Battery Voltage
24 Volts
Battery Voltage
12 Volts
Charging Type
Output Current
15 Amps
PV Open Circuit Voltage
58 Voc
PV Input @ 12V
180 Watts
PV Input @ 24V
360 Watts
Display Included

Morningstar PS15M ProStar 15 Charge Controller - Meter

Morningstar PS15M ProStar 15 Charge Controller - Meter

The ProStar solar charge controller has been the leading mid-range pulse width modulation (PWM) controller since 1995. With over 350,000 units installed in the harshest environments in over 100 countries, the ProStar has developed a strong reputation for reliable performance. This third generation ProStar maintains the same quality and form factor as previous models, while offering new data, lighting control, graphical interface, and protection features to better meet the needs of off-grid solar applications.

  • Adds new features and protections using highly advanced technology
  • Provides longer battery life and improved system performance
  • Sets new standards for reliability and self-diagostics
  • Warranty: 5 years

Features of the Morningstar PS15M ProStar 15 Charge Controller - Meter

  • Four Versions:
    • PS-15: 15 amp-no meter
    • PS-15M: 15 amp with meter
    • PS-30: 30 amp-no meter
    • PS-30M: 30 amp with meter
  • 3-position battery select:
    • Gel
    • Sealed
    • Flooded
  • High Temperature Design – full nameplate current rating, both solar
    and load up to 60°C continuous.
  • Data Logging – up to 256 days of solar charge
    and load consumption data.
  • PWM series battery charging
  • Low Noise Design – meets US Federal Communications Commission Class B specifications.
  • Tropicalization: conformal coating, stainlesssteel fasteners & anodized aluminum heat sink
  • Meter – high resolution LCD, multi-lingual backlit graphical display of system
    voltage, current, temperature, lighting settings, etc.
  • High reliability – latest electronic and environmental protections, quality control,
    and design considerations comply with IEC 62109 and promote longevity in the harshest environments.
  • MODBUS Communications – open standard MODBUS communications protocol
    allows for control and remote data access.
  • Self Diagnostics – continuous monitoring and reporting of any
    errors or system faults through its status LED’s, optional display
    and communication port.
  • Custom Programming – dip switches, meter interface, or connection with a computer
    can be used to adjust charging, load, communications, and lighting control.

Also Known As:
PS 15M


  • Nominal Battery Voltage: 12V or 24V
  • Battery Voltage Range: 10-35V
  • Voltage Accuracy: <= 0.1% +/- 50mV
  • Maximum Battery Current: 15A or 30A
  • Maximum Solar Input Voltage (12V/24V bat): 60Voc
  • Load Current Rating: 15A or 30A
  • Self-Consumption: 20 mA*
  • LED Indications: (1) status, (3) Battery state of charge
  • Transient Surge Protection: 1500 Watts (solar, battery, load)


  • Dimensions:
    • 15.3(W) x 10.5(L) x 5.5(D) cm
    • 6.0(W) x 4.1(L) x 2.2(D) in
  • Weight: 0.4 kg / 1.0 lbs
  • Wire Size Range:
  • Power Terminals: 2.5 - 16 mm2 / 14 - 6 AWG
    • Battery/Temp. Sense: 0.25 - 1.0 mm2 / 24 - 16 AWG
  • Enclosure: IP20, Type 1

    Battery Charging

    • Battery Types: 7 Standard Battery Settings + Custom
    • 4-Stage Charging: Bulk, Absorption, Float, Equalize
    • Temperature Compensation
      • Coefficient: -5 mV / °C / cell (25°C ref)
      • Range: -30°C to + 60°C
      • Set Points: Absorption, Float, Equalize


    • Operating Temperature: -40°C to + 60°C
    • Meter Operating Temperature: -20°C to + 60°C
    • Storage Temperature: -40°C to + 80°C
    • Humidity: 100% non-condensing
    • Tropicalization: conformal coating, marine-rated terminals

    Load & Lighting Control

    • Low Voltage Disconnect, Low Voltage Reconnect Settings: 11.4 V / 12.6 V or Custom (x2 for 24 volt systems)
    • Lighting Settings: Dusk to Dawn or Custom
    • LVD Current Compensation: -20 mV per Amp @ 12 Volts / -40 mV per Amp @ 24 Volts
    • LVD Warning Timer: 10 minutes
    • Lighting Test Timer: 5 minutes



      • Resolution: 128 X 64 pixels
      • Viewing Area: 5.0 cm x 2.5 cm
      • Display Color: Blue on white
      • Backlight: LED




        Data & Communications

        • Communication Port: MeterBus
        • Communication Protocols: Morningstar MeterBus, MODBUS
        • Datalogging: Up to 256 days, daily records
        • PC Software: MSView





          Electronic Protections

          • Solar Input: overload, short-circuit, high voltage,
            reverse polarity, high temperature, nighttime reverse current
          • Load Output: overload, short-circuit, high temperature, reverse polarity
          • Battery: reverse polarity (no battery removal)





          • CE; RoHS; ETL Listed: UL62109/CSA.107.1; IEC 62109;
            FCC Part-15 class B compliant
          • Manufactured in a certified ISO 9001 facility





            • Remote Temperature Sensor (RTS)
            • Remote Meter (RM-1)
            • PC MeterBus Adapter (MSC)
            • USB Communications Adapter (UMC-1)
            • Ethernet Communications Adapter (EMC-1)
            • Meter Hub (HUB-1)
            • Relay Driver (RD-1)
            • Ground Fault Protection Device (GFPD-150)


            Note: Specifications and pricing of the Morningstar PS15M ProStar 15 Charge Controller - Meter subject to change without notice. Illustrations and descriptions of the Morningstar PS-15M do not claim to be complete or exhaustive.

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