Based on this product's specifications, here are some alternatives and similar models
Single-use battery Varta Superlife 9V Zinc-Carbon 9 V 1 pc, 48.5 mm height
Summary description:
Varta Superlife single-use 9V battery with zinc-carbon technology, nominal voltage 9 V and weight 38 g. Supplied as a single cell (1 pc) with a height of 48.5 mm, suitable for smoke alarms, remote controls, meters and other low-drain devices. Provides economical, reliable power where rechargeable cells are not required.