Morningstar PWM Charge Controllers SunSaver SS-20L-12V

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Morningstar PWM Charge Controllers SunSaver SS-20L-12V


Morningstar’s SunSaver™ is the world’s leading small solar charge controller for professional and consumer applications. This device includes a combination of features and capabilities not found in other small PV controllers. It is rated for Hazardous Locations – Class 1, Division 2 Groups A-D, making it the preferred choice for Oil & Gas applications.

Standard Features:


  • Full electronic protections

  • 4 stage battery charging

  • Self-diagnostics to detect critical faults

  • Multi-color status LED

  • 3 LED's for battery state of charge

  • Dead battery recovery

  • Telecom mode for sensitive loads

  • Maximum charge limiting for sensitive loads

  • Cover to protect wire terminals


Key Features and Benefits


Extremely High Reliability

  • Failure rate of less than 1 per 1,000 shipped (<0.1%)

  • 100% solid state. Power MOSFET design

  • Manufactured in an ISO 9000 factory

  • 100% pre-shipment functional testing


Longer Battery Life

  • Advanced PWM charging

  • Series design (not shunt) for cool operation

  • 4-stage charging: bulk, absorption, float, equalize

  • Optimized sealed or flooded battery set points

  • Temperature compensated charging

  • Low voltage load disconnect on several versions


Designed for Harsh Environments

  • Temperature rating of 40˚C to +60˚C

  • Epoxy encapsulation for protection against humidity and dust ingress

  • Corrosion protection: marine rated terminals and anodized aluminum case

  • Certified for use in hazardous locations


Easy to Install and Use

  • Factory pre-sets result in no required install settings

  • Electronic protections prevent damage from wiring mistakes

  • Fully automatic operation and fault recovery

  • LED display extensive information about status, faults and battery condition


Additional Features

  • High voltage disconnect

  • High temperature disconnect

  • Lightning and transient surge protection

  • Loads protected from voltage spikes

  • Automatic recovery with all protections

$88.00

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Additional Information

Part Number SS-20L-12V
Voltage 12V
Charging Current 20 Amps
Length 6.0 in.
Width 2.2 in.
Height 1.3 in.
Weight 0.9 lbs.
Warranty 5 Years
Replaces: SS-6-12V
Brand Morningstar Corporation
Additional Information Data Sheet

Morningstar’s SunSaver™ is the world’s leading small solar controller for both professional and consumer applications including standard features and capabilities not found in any other small PV controller.

Morningstar is pleased to introduce the third generation of SunSaver. Since its first market introduction in 1996, over 1 million SunSaver controllers have been installed in over 73 countries for numerous solar power systems including oil/gas, telecom and instrumentation, marine and boating, and remote homes. We have retained much of our legacy design including the same ratings, footprint and simple user interface, and have added several new and advanced high value features:

Standard Features:

  • Full electronic protections 
  • 4 stage battery charging 
  • Self-diagnostics to detect critical faults 
  • Multi-color status LED
  • 3 LED’s for battery state of charge 
  • Dead battery recovery 
  • Telecom mode for sensitive loads
  • Maximum charge limiting for sensitive loads 
  • Cover to protect wire terminals 
  • Additional certifications

Key Features and Benefits

Extremely High Reliability

  • Failure rate of less than 1 per 1,000 shipped (<0.1%)
  • 100% solid state. Power MOSFET design 
  • Manufactured in an ISO 9000 factory 
  • 100% pre-shipment functional testing

Longer Battery Life

  • Advanced PWM charging
  • Series design (not shunt) for cool operation 
  • 4-stage charging: bulk, absorption, float, equalize 
  • Optimized sealed or flooded battery set points 
  • Temperature compensated charging
  • Low voltage load disconnect on several versions

Designed for Harsh Environments

  • Temperature rating of –40°C to +60°C 
  • Epoxy encapsulation for protection against humidity and dust ingress 
  • Corrosion protection: marine rated terminals and anodized aluminum case 
  • Certified for use in hazardous locations

Easy to Install and Use

  • Factory pre-sets result in no required install settings
  • Electronic protections prevent damage from wiring mistakes 
  • Fully automatic operation and fault recovery 
  • LED’s display extensive information about status, faults and battery condition
Morningstar PWM Charge Controllers SunSaver SS-20L-12V

Morningstar PWM Charge Controllers SunSaver SS-20L-12V. Morningstar’s SunSaver™ is the world’s leading small solar charge controller for professional and consumer applications. This device includes a combination of features and capabilities not found in other small PV controllers. It is rated for Hazardous Locations – Class 1, Division 2 Groups A-D, making it the preferred choice for Oil & Gas applications. Standard Features: Full electronic protections 4 stage battery charging Self-diagnostics to detect critical faults Multi-color status LED 3 LED's for battery state of charge Dead battery recovery Telecom mode for sensitive loads Maximum charge limiting for sensitive loads Cover to protect wire terminals Key Features and Benefits Extremely High Reliability Failure rate of less than 1 per 1,000 shipped (<0.1%) 100% solid state. Power MOSFET design Manufactured in an ISO 9000 factory 100% pre-shipment functional testing Longer Battery Life Advanced PWM charging Series design (not shunt) for cool operation 4-stage charging: bulk, absorption, float, equalize Optimized sealed or flooded battery set points Temperature compensated charging Low voltage load disconnect on several versions Designed for Harsh Environments Temperature rating of 40˚C to +60˚C Epoxy encapsulation for protection against humidity and dust ingress Corrosion protection: marine rated terminals and anodized aluminum case Certified for use in hazardous locations Easy to Install and Use Factory pre-sets result in no required install settings Electronic protections prevent damage from wiring mistakes Fully automatic operation and fault recovery LED display extensive information about status, faults and battery condition Additional Features High voltage disconnect High temperature disconnect Lightning and transient surge protection Loads protected from voltage spikes Automatic recovery with all protections

  • Price: $88.00 - In stock
  • Brand: Morningstar Corp.