MorningStar SunGuard SG-4 Solar Charge Controller

MorningStarSKU: SG-4

Sale price$34 Regular price$44.99 Save $10.99
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MorningStar SunGuard SG-4 Solar Charge Controller. Morningstar's SunLight SunGuard SG-4 solar controller is the most advanced, small, and economical solar charge controller in the market.The SG-4's technology provides PWM battery charging, exceptional reliability, low cost, and consistent high quality. MorningStar's products are built from the inside out to deliver more than twice the industry average operating life.

  • ISO 9002 quality programs
  • Series design (not shunt)
  • 100% solid state
  • True 0 to 100% PWM duty cycle
  • Setpoint accuracy to 60 mV
  • Temperature compensation
  • Rated for 25% overloads
  • No need to derate
  • Lightning protected with 1500 W transorbs
  • Fully encapsulated in epoxy potting
  • ABS plastic, impact-resistant case
  • Outdoor rated, Hypalon connecting wires

Technical Specifications:

  • Max. Input (5 min.): 5 A
  • 25% Current Overload: 5 minutes
  • LVD Reconnect: 12.8 V
  • Temp. Comp. (mV/╦ÜC): -28
  • Reverse Current Leakage: Operating Temp: -40 to +85ºC
  • Wire size: #16 AWG
  • ABS plastic case
  • Epoxy encapsulated

To view all product specifications: Click here to download the product data sheet.



accuracy 60 mV
dimensions 1.5" H x 2.5" W x 2" D (38 x 64 x 51 mm)
max. solar voltage 30 V
rated solar input 4.5 A
regulation voltage 14.1 V
self consumption 6mA
system voltage 12 V
weight 3 oz (0.09 kg)

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