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Morningstar ProStar MPPT Charge Controllers 25, 25M, 40, 40M



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Morningstar ProStar MPPT Charge Controller Model Numbers:

  • PS-MPPT-25 – 25A without meter
  • PS-MPPT-25M – 25A with meter
  • PS-MPPT-40 – 40A without meter
  • PS-MPPT-40M – 40A with meter

The Morningstar Prostar MPPT charge controllers 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.

The Morningstar ProStar MPPT Charge Controller battery charging process has been optimized for long battery life and improved system performance. Self-diagnostics and electronic error protections prevent damage when installation mistakes or system faults occur. The controller also features eight (8) adjustable settings switches, several communication ports, and terminals for remote battery temperature and voltage measurement.

An optional Wire Box for ProStar MPPT accessory to reduce hazards associated with exposed wires and connections can be purchased separately.


Morningstar ProStar MPPT Charge Controller Features, Benefits and Specifications:

  • Rated for 12 or 24 volt systems, and 25 or 40 amps of charging current
  • Fully protected with automatic and manual recovery
  • Seven standard charging programs selectable with DIP switches
  • Continuous self-testing with fault notification
  • LED indications and push-button or meter key functions
  • Terminals sized for #2 AWG (35mm 2) wire – compliant when used with the optional Morningstar Wire Box, otherwise a maximum of #6 AWG wire.
  • Includes battery voltage sense terminals
  • Digital meter display options
  • Meter allows charging and temperature control adjustments without a computer
  • Optional remote battery temperature sensor
  • 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
  • Dimensions: 7.9″ x 6.7″ x 2.8″ inches without optional Wire Box
  • Dimensions: 7.9″ x 11.2″ x 3.6″ in inches with optional Wire Box
  • 5-year warranty

ProStar MPPT Controller Specs

Additional information


5 Years

Select a ProStar MPPT Model

ProStar PS-MPPT-25, ProStar PS-MPPT-25M, ProStar PS-MPPT-40, Prostar PS-MPPT-40M