Based on this product's specifications, here are some alternatives and similar models
Single-use battery Intenso A13 Energy 230 mAh Zinc-Air 1.45 V
Summary description:
The Intenso A13 Energy is a single-use Zinc-Air battery designed for hearing aids. It has a capacity of 230 mAh and a voltage of 1.45 V. With a height of 5.4 mm and a diameter of 7.9 mm, it is lightweight at 0.81 g. This battery provides reliable power for hearing devices, ensuring optimal performance.