Based on this product's specifications, here are some alternatives and similar models
Button zinc‑air battery Energizer ENZINCAIR13-8P — 1.4 V, 7.9 mm Ø, 5.4 mm height (single‑use)
Summary description:
Energizer ENZINCAIR13-8P is a single‑use zinc‑air button battery with nominal voltage 1.4 V, diameter 7.9 mm and height 5.4 mm. Designed for low‑current devices such as hearing aids, medical instruments and small electronics; lightweight (0.8 g) and compact for reliable power in compact applications. Supplied in blister packaging for storage and handling.