Morningstar's SunSaver MPPT™ with TrakStar technology is the perfect charging solution for smaller off-grid solar systems up to 400Wp. An industrial-grade design proven in challenging applications and environments, the SunSaver has been called the single most successful charge controller in the solar industry.


The SunSaver MPPT solar controller is an advanced maximum power point tracking (MPPT) battery charger that features a smart tracking algorithm to maximize energy harvest and also provides load control to prevent over discharge of the battery.


It is well suited for both professional and consumer PV applications including automatic lighting control. It's charging process has been optimized for long battery life and improved system performance. This product is epoxy encapsulated for environmental protection, may be adjusted by the user via four settings switches or connection to a personal computer, and has an optional remote meter and battery temperature sensor.



  • Peak efficiency of over 97%

  • Input voltage up to 60 Volts

  • Up to 15A output @ 7 to 36 Volts

  • Compatible with a range of battery voltages: 12 to 24 Volts

  • Extremely compact and lightweight 

  • Rugged epoxy encapsualted construction with marine rated terminals

  • USB MeterBus Adapter for computer compatibility (sold separately)

  • Built-in 30 days of data logging

  • Certified to UL1741, CSA C22.2 No. 107.1

  • Standard 5-year warranty


Weight: 0.60 kg (1.3 lbs)

Dimensions: 169 x 64 x 73 mm (6.6 x 2.5 x 2.9 in)



Morningstar 15A SunSaver MPPT Charge Controller, SS-MPPT-15L