What specification can you typically find on a charge controller?

The maximum voltage specification on a charge controller is crucial for ensuring the safe and efficient operation of the solar power system. Charge controllers are designed to regulate the voltage and current coming from solar panels to batteries, preventing overcharging and damage to the battery bank.

The maximum voltage indicates the highest voltage that the charge controller can handle without risking malfunction or damage. This specification is particularly important when using different battery technologies, as each type has its own voltage limits that need to be respected to ensure longevity and performance.

Considering the context of charge controllers, other specifications like irradiance limits, minimum current, and battery temperature, while relevant to solar systems, are not typically found as direct specifications on charge controllers. Instead, they relate more broadly to system performance or monitoring. Thus, maximum voltage is clearly the most relevant and critical specification concerning the operation of a charge controller within a solar energy setup.