Controllers

Photovoltaic panels do not require controllers

The short answer is this: solar panels only need a charge controller if your system includes batteries, which applies to hybrid or off-grid solar. But. . Yes, you can use a solar panel without a regulator, but it is not recommended. Here are the key functions and considerations that highlight the importance of a solar charge. . “Can I charge my batteries directly from solar panels without a charge controller, or is a controller really necessary?” At first glance, skipping a controller seems simpler and cheaper—but it comes with serious risks.