The type dimension of the New Energy Vehicle Power Devices market is divided into five principal sub‑categories: inverters, converters, DC‑DC converters, on‑board chargers, and battery‑management systems (BMS). Inverters, which convert DC battery power to AC for motor drive, represent the largest share—approximately 35 % of total device revenue—because they are essential for most propulsion architectures. Converters, responsible for voltage‑level adaptation within powertrains, account for roughly 20 % and are driven by the proliferation of multi‑voltage architectures in compact cars. DC‑DC converters, enabling auxiliary load supply, contribute about 18 % as vehicle electronics become more power‑intensive. On‑board chargers, linking external AC sources to the battery, hold a 15 % share, reflecting growing fast‑charging infrastructure. BMS, which monitor cell health and balance, occupy the remaining 12 % and are increasingly valued for safety and range optimization. Collectively, these type segments define the market’s structural composition and guide investment priorities across the New Energy Vehicle Power Devices taxonomy.