In the Types dimension, the market is partitioned into Behind‑the‑Ear (BTE), In‑the‑Ear (ITE), Receiver‑in‑Canal (RIC), and Canal‑Style (CS) devices, each paired with disposable‑battery configurations. BTE units, representing roughly 40 % of sales, dominate due to their robust power handling and suitability for higher‑capacity disposable cells, supporting users with severe loss. ITE models, accounting for about 30 %, balance aesthetic discretion with moderate battery demand, appealing to moderate‑loss users seeking compactness. RIC devices, with a 20 % share, leverage smaller batteries yet benefit from efficient power management, attracting tech‑savvy consumers. CS aids, the smallest slice at 10 %, target mild‑loss patients and prioritize ultra‑low‑profile designs, consequently using minimal‑capacity disposable batteries. This typology clarifies how each form factor contributes to the overall market size by aligning battery consumption patterns with user‑specific audiological needs, informing manufacturers’ product‑mix strategies.