The SunGuard 4 controller is a great low cost option for a simple PWM controller.

Concerned about quality?  Call 1 (800) 472-1142 or 1 (530) 926-2900 M-F 8 am to 5 pm PST or email at sales@wholesalesolar.com.
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Blue Sky Energy
Model: SunGuard SG-4
Brand: Morningstar
Product Type: Charge Controllers
Item: Price:
3600041
$28.00
$28.00

The SunGuard 4 12 volt controller offers most of the same features of the ProStar line, but without the battery status LED's, automatic equalization or the optional LCD display. The SunGuard 4 is a PWM controller and can control up to 4.5 array amps (can be paralleled for 40 amps or more). The SunSaver's advanced design delivers outstanding performance and value.

SunSaver's low cost is made possible by Morningstar's unique approach to design and manufacturing: automated production, latest power electronic power technologies, latest control and logic technologies, and high volume manufacturing.

Morningstar SG-4 Controller

Call Wholesale Solar for current pricing on the Morningstar SunGuard-4 charge controller
at 1 (800) 472-1142
Model Volts Amps Shipping Weight (lbs.) Item
SG-4 12 4.5 1 3600041


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Features and General Information

  • 100% solid state
  • Series design (not shunt)
  • True 0 to 100% PWM duty cycle
  • Setpoint accuracy to 35 mV
  • Marine rated terminals/ anodized case
  • Temperature compensation
  • Rated to 25% overloads
  • No need to derate
  • Fully encapsulated in epoxy potting
  • Parallel for 40 amps or more
  • Five year warranty
  • What does the charge controller do?
  • What size do I need?

Charge Controller Sizing Request Form (for any requests other than sizing a charge controller please use our regular Request A Quote Form)
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"Morningstar's SunGuard controller is a PWM controller with a simple 4 wire hookup."
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