Power supplies 12 Volts power supply provides a stable and reliable source of electrical power to various electronic devices. One common voltage output provided by power supplies is 12 volts. This voltage level is often used in a wide range of applications, including computer systems, automotive electronics, and industrial equipment. The 12-volt power supply ensures that the connected devices receive the necessary power to function properly. It is important to choose a power supply with the appropriate voltage output to ensure compatibility and optimal performance of the electronic devices.