The Type segmentation of the Automotive Auxiliary Cigarette Sockets market distinguishes four principal configurations: the legacy 12‑volt (12 V) socket, the 12 V socket combined with a USB charging port, the smart socket equipped with vehicle‑bus communication (e.g., CAN, LIN), and the high‑current socket designed for power‑intensive loads (≥ 150 W). The legacy 12 V socket still commands the largest share because it is embedded in the majority of legacy vehicle architectures and satisfies basic power‑draw requirements for accessories such as portable GPS units. USB‑integrated sockets have accelerated adoption in newer models, driven by consumer demand for simultaneous device charging and power supply, thereby contributing an incremental 20 % to overall market volume. Smart sockets, although currently a niche, add value through diagnostic feedback and load management, representing roughly 10 % of the market but poised for growth as vehicle electrification advances. High‑current sockets address emerging needs for in‑car refrigeration or power tools, accounting for the remaining 15 % of market size. This typology clarifies how each configuration underpins the total market valuation.