Morningstar PS-MPPT-25 MPPT Charge Controller

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Quick Overview

  • Max Current: 25.0
  • Max Input Voltage: 120
  • Max Power 12VDC: 359.0
  • Max Power 24VDC: 718.0
  • NEMA Rating: NEMA 1 (indoor)
  • Arc Fault Protection: Requires Separate Device
  • Warranty: 5-years
  • Morningstar PS-MPPT-25 MPPT Charge Controller

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    Morningstar ProStar MPPT Charge Controller

    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.

  • Load and automatic PV-based lighting control
  • Charges all battery types including Lithium Ion
  • Continuous charging and no damage from PV array oversizing
  • Up to 256 days of data logging
  • Built-in self diagnostics
  • Highly durable polycarbonate case
  • Low noise design
  • MODBUS communications
  • Meter allows charging and temperature control adjustments without a computer


    Manufacturer Part Number PS-MPPT-25
    Warranty 5-years
    Max Current 25.0
    Max Input Voltage 120
    Max Power 12VDC 359.0
    Max Power 24VDC 718.0
    NEMA Rating NEMA 1 (indoor)
    Arc Fault Protection Requires Separate Device
    Length 8.0  IN
    Width 7.0  IN
    Height 3.0  IN
    Weight 4.0  LB


    Max. Battery Current 25 Amps
    Load Current Rating 25 Amps
    Max. PV Open Circuit Voltage* 120 Volts (without damage to unit)
    Nominal Battery Voltage 12V or 24V
    Nominal Max. Operating Power** (12 volt battery) 350W
    Nominal Max. Operating Power** 24 volt battery) 700W
    Peak Efficiency 98%
    Battery Voltage Range 8-35V
    Voltage Accuracy <= 0.1% +/- 50mV
    Self-Consumption 31mA
    LED Indications (1) status, (3) Battery S.0.C.
    Transient Surge Protection 4500 Watts (solar, battery, load)

    Load & Lighting Control
    • LVD, LVR Settings: 11.4V/12.6V or custom (x2 for 24 volt systems
    • Lighting Settings: Dusk-dawn or custom

    Electronic Protections
    • Automatic recovery without fuses
    • 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)

    Battery Charging
    • 4-stage charging: bulk, Absorption, Float, Equalize
    • 7 standard Battery settings and customization
    • Temperature Compensation
    * Coefficient: -5 mV / C /cell (25 C ref.)
    * Range: -30 C to +60 C
    * Setpoints: Absorption, Float, Equalize

    Data & Communications
    • Communication Port: MeterBus
    • Protocols: Morningstar MeterBus, MODBUS
    • Datalogging: 190 days, daily records
    • PC Software: MSView

    • Ground Fault Protection Device (GFPD-150)
    • Remote Temperature Sensor (RTS)
    • Remote Meter (RM-1)
    • Wire Box (PS-MPPT-WB)
    • RS-232 Communications Adapter (MSC-1)
    • USB Communications Adapter (UMC-1)
    • Meter Hub (HUB-1)
    • Relay Driver (RD-1)

    • CE; RoHS; UL1741/CSA.107.1; IEC 62109; FCC Part-15 class B compliant
    • Manufactured in a certified ISO 9001 facility
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