Morningstar SG-4 Charge Controller

The Morningstar SunGuard SG-4 is the most advanced small, economical 12V solar charge controller on the market today. Our customer’s rave over this high quality and low-cost controller. The SG-4 provides exceptional reliability through PWM battery charging. Due to this, you can expect your SG-4 to have 30% more energy put into your battery. SunGuards are made on the same high speed automated production lines. They also use the same charging circuit and high-quality components. Because of this, the SunGuard has the same quality and performance of the world-leading SunSaver controllers.

Looking for more technical information on solar charge controllers? View our Tech-Note on different types of charge controllers!

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