Based on this product's specifications, here are some alternatives and similar models
Single-use battery Varta 2CR5
Summary description:
The Varta 2CR5 is a single-use lithium battery with a voltage of 6V. Its prismatic form factor measures 34mm in width, 17mm in depth, and 45mm in height. Ideal for various devices, it ensures reliable performance and longevity. The package dimensions are 80mm x 18mm x 120mm, making it easy to store and transport. Perfect for cameras and other electronics requiring a dependable power source.