If you’re considering installing an off-grid solar project with a battery attached, you’ll want to look into a solar charge controller for your system. Charge controllers act as a gateway to your battery, and ensure that you don’t overcharge and damage your energy storage system. In this article, we’ll cover what a solar charge controller is, and how the two major types—pulse width modulation (PWM) and maximum power point tracking (MPPT)—compare.
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