Based on this product's specifications, here are some alternatives and similar models
Single-use battery Panasonic LRV08
Summary description:
The Panasonic LRV08 is a reliable single-use alkaline battery with a voltage of 12V. Ideal for devices requiring long-lasting power, it ensures consistent performance and is perfect for use in cameras, toys, and other electronic devices. With a shelf life of up to 5 years, this battery is designed to provide dependable energy when you need it most.