What distinguishes regulated charging systems from non-regulated systems?

The distinguishing feature of regulated charging systems is their ability to provide a consistent electrical output regardless of the engine speed. In a regulated system, the voltage is maintained at a specific level, which ensures that electrical components receive a steady supply of power. This is particularly important for applications that require reliable electrical performance, such as in modern vehicles and various small engines which must run numerous electronic devices efficiently.

In contrast, non-regulated systems generate power that fluctuates with engine speed. As the engine speed increases, the output voltage also increases, which can lead to overcharging or insufficient power supply for electrical components, depending on the operating conditions. This variability can cause damage to electrical systems and inconsistent performance.

The other options contain details that do not accurately reflect the primary difference between regulated and non-regulated systems. Regulated systems can operate at various engine speeds, they are not inherently smaller or less expensive, and non-regulated systems are not restricted solely to small engines. This understanding reinforces the fundamental functionality and advantage of regulated charging systems in maintaining consistent and reliable electrical output.