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SunSaver MPPT

The SunSaver MPPT™ with TrakStar technology is the perfect charging solution for smaller off-grid solar systems up to 520Wp. An industrial-grade design proven in challenging applications and environments, SunSaver has been called the single most successful charge controller in the solar industry.

“…an amazing product…well built, and well designed”

Models: SS-MPPT-15L,

Specifications and Certifications by Model

Model SS-MPPT-15L
*Input power can exceed Nominal Operating Power. Controller will limit and provide its rated continuous maximum output current into batteries.
Charge Rating 15 amps
Max. PV Open Circuit Voltage (Voc) 60 volts
Nominal Battery Voltage 12V or 24V
Nominal Max. Operating Power* 200W/12V, 400W/24W
Max. Recommended Solar PV Input* 260W/12V, 520W/24W
Peak efficiency 97.5%
Battery Voltage Range 7-36V
Voltage Accuracy 1.0%
Operating Temperature Range -40 C to +60C
Warranty 5 Years
Built-in meter
CE and RoHS compliant Yes
Approved for use in Hazardous Locations: Class 1, Division 2, Groups A-D Yes
IEC 62109 Yes
ETL Listed [UL-1741 and Canadian CSA C22.2 No.107.1.01] Yes
FCC Class B Part 15 Compliant Yes
Manufactured in a Certified ISO 9001 Facility Yes
Key Features and Benefits
  • Maximum power point tracking (MPPT) optimally matches the solar array to the battery—no wasted PV electricity.
  • Use of high voltage modules – In addition to 12V crystalline modules,
    enables use of high voltage modules for off-grid battery charging.
  • Converts 36V or 24V arrays for use with either a 24V or 12V battery.
  • Automatic Lighting Control – four programmable timer sequences for PV lighting applications using MSView.
  • Extensive electronic protections include short-circuit, over-current and reverse polarity to ensure the controller will not be damaged by wiring mistakes or overloads.

Morningstar "Charging Experts" featuring SunSaver MPPT | 7 minute video

This 7 minute video features the HazLoc ratings and internal and external components of Morningstar’s SunSaver Solar Charge Controllers and explains why Morningstar has been considered the “charging experts” for over a quarter of a century.