Based on this product's specifications, here are some alternatives and similar models
Single-use battery Energizer CR2450 Lithium 3V
Summary description:
The Energizer CR2450 is a single-use lithium battery designed for various electronic devices. It provides reliable 3V power, ensuring long-lasting performance. Ideal for watches, calculators, and other small electronics, this battery is known for its durability and efficiency. With a shelf life of up to 10 years, it is a dependable choice for your power needs.