Based on this product's specifications, here are some alternatives and similar models
Single-use battery Varta V11A
Summary description:
The Varta V11A is a 6V alkaline single-use battery with a cylindrical form factor. Measuring 16.5 mm in height and 1.02 cm in diameter, it weighs only 4 g. Packaged in a convenient blister, this battery is ideal for various devices requiring reliable power. Its alkaline technology ensures long-lasting performance, making it a dependable choice for everyday use.