In the Lithium‑ion Battery Machine Vision System segmentation, product type differentiates the market by sensor architecture and processing methodology. 2D vision systems dominate with an estimated 55 % share, leveraging high‑resolution monochrome or color cameras to perform surface defect detection, pattern recognition, and barcode verification on fast‑moving production lines. 3D vision systems represent roughly 30 % of the market; they combine structured‑light, time‑of‑flight, or stereo‑camera arrays to generate depth maps, enabling precise measurement of cell thickness, electrode alignment, and weld geometry, which are critical for safety certification. The remaining 15 % consists of infrared (IR) vision systems, employed primarily for thermal profiling during cell formation and pack assembly to identify hot‑spot anomalies and predict early‑life degradation. The functional distinction among these types dictates divergent hardware costs, algorithmic complexity, and integration timelines, thereby influencing total addressable market calculations. Manufacturers that offer modular platforms capable of switching between 2D, 3D, and IR modalities can capture cross‑segment revenue, expanding the overall market footprint.