mike_hope

I found this thread very helpful while looking for replacement batteries for my Contax 139 quartz. I noticed that Duracell also have a 357/303 battery and the spec is much closer to the EXP76 (constant voltage from 0-400h service) than the Energizer version. https://www.duracell.com/wp-content/uploads/2016/03/D303-D3571.pdf