Unfortunately I can't give you an answer as I needed the battery for something else. Greetings

Old cameras are sometimes a little picky when it comes to batteries. Although the new button batteries meet the requirements exactly in terms of size and performance, they unfortunately do not work in every case. The only thing that helps here is to try them out. However, most cameras will also accept the new batteries.

A quick Google search reveals that you need 2 LR44s