An AC adapter serves as a typical external power supply, transforming alternating current from a mains socket into regulated direct current for powering electronic equipment. Its interoperability can be influenced by characteristics such as output voltage, current capacity, and connector design, which often differ between products. Many adapters are developed to accommodate broad power needs, enabling them to support a variety of devices within defined limits. Aligning electrical specifications contributes to reliable and secure performance. Designs and capabilities may vary according to usage scenarios, so checking suitability is generally recommended. Non-original adapters can offer comparable functionality and safety when specifications are appropriately matched.