It’s often one of the first questions asked by people getting into solar systems. There are two main categories of solar charge controller, so which one is better, PWM or MPPT? A simple question which doesn’t always give an easy a...
A Solar Charge Controller regulates the voltage and current flow from solar panels to a battery. It detects and monitors the battery voltage, reducing the current when the battery is fully charge. The controller maintains a float charge to keep the battery ready for use.