1. Compatibility: 12 volts is a standard voltage, and most automobile parts and equipment are designed for 12 volts. This includes starting system, ignition system, lighting system, sound system, etc. Adopting a unified voltage standard can ensure the compatibility and interoperability between different parts.
2. Reliability: The voltage of 12 volt has been widely verified and applied in the automotive electrical system, with high reliability and stability. Most automobile batteries and generators can provide a stable voltage of 12 volts, thus ensuring the normal operation of the system.
3. Economy: 12 volt electronic components and electrical equipment are common, economical and low in manufacturing cost. At the same time, it is relatively easy and economical to repair and replace parts related to12v.
It should be noted that although most cars use 12 volts, in some special applications, such as large commercial vehicles, military vehicles or special vehicles, electrical systems with other voltage levels may also be used. Extended content: In the field of electric vehicles, due to the need for higher power output, higher voltage electrical systems, such as 400 volt high voltage systems, are usually used. This can reduce the current, reduce the energy loss, reduce the thickness of the wire and improve the overall efficiency.