An Introduction to Morningstar Solar PV Controllers
Morningstar Corporation have recently become the world's leading supplier of solar pv charge controllers.
Exceptionally high reliability and build quality make the Morningstar range perfect for commercial solar pv applications.
Many of the Morningstar controllers are fully epoxy encapsulated making them ideal for marine use. All Morningstar products carry a 5 year warranty.
All of the controllers featured on this page use a "pwm" charging method. Click here to see the new Morningstar MPPT controller.
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Morningstar Sunsaver 15A, MPPT Solar Charge Controller
This long-awaited Sunsaver MPPT controller is the natural evolution of the legendary Sunsaver controller range and is ideal for commercial or marine applications.
A Remote Meter is now available as an optional extra.
The controller can be used on 12v or 24v battery banks, with a maximum solar pv wattage of 200w and 400w respectively.
Features:
MPPT Power Boosting Technology
Max PV Power : 400w @ 24v, 200w @ 12v
Temperature compensated charging
Electronically protected
15A Load LVD facility
LED Status Indication
Datalogging Function
Remote temperature sensor available as option.
5yr Warranty.
 Product brochure
Product manual
Price: £229.64 / €252.60 (Ex VAT at 17.5%)
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Morningstar RM-1 Remote Digital Meter
5 Year Warranty Remote Digital Meter for use with:
SunSaver Duo controller
SunSaver MPPT controller
Product brochure
Product manual
Sunsaver Duo meter map
Sunsaver MPPT meter map
Price: £80.86 / €88.95 (Ex VAT at 17.5%)
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Morningstar Relay Driver 8-68Vdc Input
Morningstar's RelayDriver is a logic module which provides high level system control functions such as high/low voltage alarms, load control and generator start.
Voltage sense.
Current sense (with Shunt).
Temperature sense.
Senses alarm conditions from other Morningstar devices.
Programmable via RS232 connection (MODBUS compatible).
5 yr warranty.
12 - 48v power input.
Product brochure
Product manual
MODBUS specifications
Price: £159.41 / €175.35 (Ex VAT at 17.5%)
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Morningstar Sunguard 4.5A, 12v Solar Charge Controller
Morningstar’s SunGuard is the most advanced small, economical solar charge controller on the market today.
SunGuard’s technology provides:
• Exceptional Reliability
• PWM Battery Charging
• Consistent High Quality
• Low Cost
The SunGuard has the same quality and performance as the world-leading SunSaver controllers as they are manufactured on the same production lines using the same components.
Product brochure
Product manual
Price: £30.13 / €33.14 (Ex VAT at 17.5%)
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Morningstar Sunsaver 6.5A, 12v Solar Charge Controller
Morningstar’s SunSaver is the world’s leading small solar controller for both professional and consumer applications.
SunSaver’s technology provides:
Exceptional Reliability
PWM Battery Charging
Consistent High Quality
The SunSaver’s advanced design delivers outstanding performance and value. The SunSaver’s low cost is made possible by Morningstar’s unique approach to design and manufacturing:
Automated production
ISO 9002 quality programs
Latest power electronic technologies
Latest control and logic technologies
High volume manufacturing
Product brochure
Product manual
Price: £46.86 / €51.55 (Ex VAT at 17.5%)
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Morningstar Sunsaver 10A, 12v Solar Charge Controller
Morningstar’s SunSaver is the world’s leading small solar controller for both professional and consumer applications.
SunSaver’s technology provides:
Exceptional Reliability
PWM Battery Charging
Consistent High Quality
The SunSaver’s advanced design delivers outstanding performance and value. The SunSaver’s low cost is made possible by Morningstar’s unique approach to design and manufacturing:
Automated production
ISO 9002 quality programs
Latest power electronic technologies
Latest control and logic technologies
High volume manufacturing
Product brochure
Product manual
Price: £71.38 / €78.52 (Ex VAT at 17.5%)
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Morningstar Sunsaver 10A, 24v Solar Charge Controller
Morningstar’s SunSaver is the world’s leading small solar controller for both professional and consumer applications.
SunSaver’s technology provides:
Exceptional Reliability
PWM Battery Charging
Consistent High Quality
The SunSaver’s advanced design delivers outstanding performance and value. The SunSaver’s low cost is made possible by Morningstar’s unique approach to design and manufacturing:
Automated production
ISO 9002 quality programs
Latest power electronic technologies
Latest control and logic technologies
High volume manufacturing
Product brochure
Product manual
Price: £76.29 / €83.92 (Ex VAT at 17.5%)
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Morningstar Sunsaver 20A, 12v Solar Charge Controller
Morningstar’s SunSaver is the world’s leading small solar controller for both professional and consumer applications.
SunSaver’s technology provides:
Exceptional Reliability
PWM Battery Charging
Consistent High Quality
The SunSaver’s advanced design delivers outstanding performance and value. The SunSaver’s low cost is made possible by Morningstar’s unique approach to design and manufacturing:
Automated production
ISO 9002 quality programs
Latest power electronic technologies
Latest control and logic technologies
High volume manufacturing
Product brochure
Product manual
Price: £94.27 / €103.70 (Ex VAT at 17.5%)
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Morningstar Sunsaver 20A, 24v Solar Charge Controller
Morningstar’s SunSaver is the world’s leading small solar controller for both professional and consumer applications.
SunSaver’s technology provides:
Exceptional Reliability
PWM Battery Charging
Consistent High Quality
The SunSaver’s advanced design delivers outstanding performance and value. The SunSaver’s low cost is made possible by Morningstar’s unique approach to design and manufacturing:
Automated production
ISO 9002 quality programs
Latest power electronic technologies
Latest control and logic technologies
High volume manufacturing
Product brochure
Product manual
Price: £99.17 / €109.09 (Ex VAT at 17.5%)
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Morningstar SunSaver Duo with Digital Display 25A, 12v
Morningstar’s SunSaver Duo is an advanced PWM two battery controller for motorhomes, caravans, boats and cottages. Rated for 25 amps at 12 volts DC, this product will charge two separate and isolated batteries at the same time, such as a "house" and an engine battery, based on user selectable priorities. This controller also includes a backlit remote digital meter which may be mounted in or on a wall, and displays detailed status information about the solar pv system.
Dual battery charging from one solar panel/array.
Detailed system information via remote digital display.
Epoxy encapsulated for reliability.
Extensive electronic protection.
Max power 25A, 12v.
Warranty: 5 years.
Product brochure
Product manual
Price: £156.16 / €171.78 (Ex VAT at 17.5%)
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Morningstar Sunlight 10A, 12v Solar Charge Controller inc Dusk/Dawn Facility
Morningstar’s advanced SunLight solar lighting charge controller combines the SunSaver design with a microcontroller to provide automatic lighting control functions.
This solar controller is typically used in solar street-lighting systems or sign lighting systems.
The SunLight technology features:
• Microcontroller digital accuracy & Proven Reliability
• Precise Lighting Control
• PWM Battery Charging
• Detects day and night using the PV array
• Sealed/Flooded battery select
• Temperature compensation
Operation:
• Rotary digital switch to select among 10 lighting options (see notes)
• Test button flashes red LED to confirm correct rotary switch selection
• Low Voltage Disconnect (LVD) overrides lighting timer
• Test button turns lights on for 5 minutes (in LVD limited to 3 times)
• Sunrise overrides lighting timer
• Timer accuracy is within 2 seconds
Product brochure
Product manual
Price: £105.86 / €116.45 (Ex VAT at 17.5%)
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Morningstar Sunlight 10A, 24v Solar Charge Controller inc Dusk/Dawn Facility
Morningstar’s advanced SunLight solar lighting charge controller combines the SunSaver design with a microcontroller to provide automatic lighting control functions.
This solar controller is typically used in solar street-lighting systems or sign lighting systems.
The SunLight technology features:
• Microcontroller digital accuracy & Proven Reliability
• Precise Lighting Control
• PWM Battery Charging
• Detects day and night using the PV array
• Sealed/Flooded battery select
• Temperature compensation
Operation:
• Rotary digital switch to select among 10 lighting options (see notes)
• Test button flashes red LED to confirm correct rotary switch selection
• Low Voltage Disconnect (LVD) overrides lighting timer
• Test button turns lights on for 5 minutes (in LVD limited to 3 times)
• Sunrise overrides lighting timer
• Timer accuracy is within 2 seconds
Product brochure
Product manual
Price: £112.40 / €123.64 (Ex VAT at 17.5%)
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Morningstar Sunlight 20A, 12v Solar Charge Controller inc Dusk/Dawn Facility
Morningstar’s advanced SunLight solar lighting charge controller combines the SunSaver design with a microcontroller to provide automatic lighting control functions.
This solar controller is typically used in solar street-lighting systems or sign lighting systems.
The SunLight technology features:
• Microcontroller digital accuracy & Proven Reliability
• Precise Lighting Control
• PWM Battery Charging
• Detects day and night using the PV array
• Sealed/Flooded battery select
• Temperature compensation
Operation:
• Rotary digital switch to select among 10 lighting options (see notes)
• Test button flashes red LED to confirm correct rotary switch selection
• Low Voltage Disconnect (LVD) overrides lighting timer
• Test button turns lights on for 5 minutes (in LVD limited to 3 times)
• Sunrise overrides lighting timer
• Timer accuracy is within 2 seconds
Product brochure
Product manual
Price: £136.77 / €150.45 (Ex VAT at 17.5%)
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Morningstar ProStar PS15 12/24v Charge Controller LVD
The Morningstar Prostar is the world’s leading mid-range solar controller for commercial pv applications.
This second generation Prostar provides longer battery life and improved system performance, as well as setting new standards for reliability and self-diagnostics.
With comprehensive electronic protection and an optional digital status display, the Prostar is a highly advanced solar controller, offering a wide range of features.
Features:
Tropicalisation: conformal coating, stainless-steel fasteners & anodised aluminum heat sink
Current compensated low voltage disconnect (LVD)
3-position battery select: gel, sealed or flooded
LED’s indicate battery status and faults
Temperature compensated charging.
Jumper to eliminate telecom noise
PWM series battery charging
Design life: 15 years +
Optional remote temperature sensor.
Product brochure
Product manual
Price: £109.50 / €120.45 (Ex VAT at 17.5%)
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Morningstar ProStar PS15M 12/24v Charge Controller LVD with Monitor
The Morningstar Prostar is the world’s leading mid-range solar controller for commercial pv applications.
This second generation Prostar provides longer battery life and improved system performance, as well as setting new standards for reliability and self-diagnostics.
With comprehensive electronic protection and an optional digital status display, the Prostar is a highly advanced solar controller, offering a wide range of features.
Features:
Tropicalisation: conformal coating, stainless-steel fasteners & anodised aluminum heat sink
Current compensated low voltage disconnect (LVD)
3-position battery select: gel, sealed or flooded
LED’s indicate battery status and faults
Temperature compensated charging.
Jumper to eliminate telecom noise
PWM series battery charging
Design life: 15 years +
Optional remote temperature sensor.
Product brochure
Product manual
Price: £174.90 / €192.39 (Ex VAT at 17.5%)
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Morningstar ProStar PS15M 48v Charge Controller LVD with Monitor
The Morningstar Prostar is the world’s leading mid-range solar controller for commercial pv applications.
This second generation Prostar provides longer battery life and improved system performance, as well as setting new standards for reliability and self-diagnostics.
With comprehensive electronic protection and an optional digital status display, the Prostar is a highly advanced solar controller, offering a wide range of features.
Features:
Tropicalisation: conformal coating, stainless-steel fasteners & anodised aluminum heat sink
Current compensated low voltage disconnect (LVD)
3-position battery select: gel, sealed or flooded
LED’s indicate battery status and faults
Temperature compensated charging.
Jumper to eliminate telecom noise
PWM series battery charging
Design life: 15 years +
Optional remote temperature sensor.
Product brochure
Product manual
Price: £217.18 / €238.90 (Ex VAT at 17.5%)
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Morningstar ProStar PS30 12/24v Charge Controller LVD
The Morningstar Prostar is the world’s leading mid-range solar controller for commercial pv applications.
This second generation Prostar provides longer battery life and improved system performance, as well as setting new standards for reliability and self-diagnostics.
With comprehensive electronic protection and an optional digital status display, the Prostar is a highly advanced solar controller, offering a wide range of features.
Features:
Tropicalisation: conformal coating, stainless-steel fasteners & anodised aluminum heat sink
Current compensated low voltage disconnect (LVD)
3-position battery select: gel, sealed or flooded
LED’s indicate battery status and faults
Temperature compensated charging.
Jumper to eliminate telecom noise
PWM series battery charging
Design life: 15 years +
Optional remote temperature sensor.
Product brochure
Product manual
Price: £150.37 / €165.41 (Ex VAT at 17.5%)
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Morningstar ProStar PS30M 12/24v Charge Controller LVD with Monitor
The Morningstar Prostar is the world’s leading mid-range solar controller for commercial pv applications.
This second generation Prostar provides longer battery life and improved system performance, as well as setting new standards for reliability and self-diagnostics.
With comprehensive electronic protection and an optional digital status display, the Prostar is a highly advanced solar controller, offering a wide range of features.
Features:
Tropicalisation: conformal coating, stainless-steel fasteners & anodised aluminum heat sink
Current compensated low voltage disconnect (LVD)
3-position battery select: gel, sealed or flooded
LED’s indicate battery status and faults
Temperature compensated charging.
Jumper to eliminate telecom noise
PWM series battery charging
Design life: 15 years +
Optional remote temperature sensor.
Product brochure
Product manual
Price: £215.76 / €237.34 (Ex VAT at 17.5%)
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Morningstar Remote Temperature Sensor
Price: £33.39 / €36.73 (Ex VAT at 17.5%)
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Morningstar Tristar 45A, 12/24/48v Hybrid Charge Controller
Morningstar’s Tristar controller is a highly versatile three-function controller that provides reliable solar battery charging, load control or diversion regulation.
The controller operates in one of these modes at a time. Two or more Tristars are used to provide multiple functions, for example; one operating as a load controller and the other as a solar controller.
The Tristar is designed for both solar home systems and professional applications. The optional digital meter is the most sophisticated and informative controller meter on the market.
Features:
Ratings up to 60A at 48VDC will handle solar arrays up to 4kW
Communications capability - RS-232 connection
3 LED's to indicate status, faults and alarms
Temperature compensated charging
DIP switches for easy on-site setup
Extensive electronic protections
PWM series battery charging
Design life: 15 years +
Optional remote temperature sensor.
Product brochure
Product manual
Price: £189.74 / €208.71 (Ex VAT at 17.5%)
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Morningstar Tristar 60A, 12/24/48v Hybrid Charge Controller
Morningstar’s Tristar controller is a highly versatile three-function controller that provides reliable solar battery charging, load control or diversion regulation.
The controller operates in one of these modes at a time. Two or more Tristars are used to provide multiple functions, for example; one operating as a load controller and the other as a solar controller.
The Tristar is designed for both solar home systems and professional applications. The optional digital meter is the most sophisticated and informative controller meter on the market.
Features:
Ratings up to 60A at 48VDC will handle solar arrays up to 4kW
Communications capability - RS-232 connection
3 LED's to indicate status, faults and alarms
Temperature compensated charging
DIP switches for easy on-site setup
Extensive electronic protections
PWM series battery charging
Design life: 15 years +
Optional remote temperature sensor.
Product brochure
Product manual
Price: £240.66 / €264.73 (Ex VAT at 17.5%)
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Morningstar Tristar Digital Meter (LCD)
Price: £105.20 / €115.72 (Ex VAT at 17.5%)
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Morningstar Tristar Remote Digital Meter (LCD)
Price: £141.22 / €155.34 (Ex VAT at 17.5%)
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Read our introduction to:
 Solar panels.
Solar charge controllers.
Deep cycle batteries.
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