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Morningstar SunGuard 4.5A Charge Controller (SG-4), a compact and reliable charge controller designed for small solar power systems, providing efficient battery charging and protection with a 4.5 amp capacity.
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Morningstar Corporation

Morningstar – Sunguard 4.5A Charge Controller – SG-4

Brand: Morningstar Corporation
SKU: SG-4

$73.13

Available Now
Stock Status Disclaimer

Stock statuses are updated on a monthly basis and may not reflect real-time availability. Some products may not display a stock status but are likely still in stock. For the most accurate and up-to-date information, or if a stock status is not shown, please contact us directly for availability.

Here’s a clear and concise bullet point description for the stock statuses:

  • Available Now: The product is in stock and ready for shipping.
  • More Expected: Currently low or out of stock, but additional inventory is on its way.
  • Special Order: The item is not regularly stocked and will be ordered specifically for you, subject to extended lead times.
  • Contact Us for Availability: The item’s stock status is uncertain; reach out to confirm availability before purchasing.

The SunGuard™ is a single module, compact PWM solar charge controller for small systems, ideal for both professional and consumer use. With SunGuard, there’s no reason not to insist on Morningstar quality with any system design—no matter how small.

“Rock solid, potted so waterproof, long track-record…great charge controller for a small system”

  • Rugged design—100% solid state, epoxy encapsulated; rated for 25% overcurrents (no need to de-rate)
  • Longer battery life—series design PWM charging (instead of shunt) with temperature compensation, low self-consumption
  • Easy to install—outdoor rated connecting wires make a waterproof connection to the solar module and battery

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