Keywords: HD 625 button cell (leaked decomposing).jpg en Leaking HD 625 button cell battery Apparently a mercury-based cell and no longer made This was the light meter battery in my Zenit TTL until I unpacked it today- it looked like it might have forced the battery cover off Could be around 30 years old- I don't recall ever replacing the battery from the time I bought the camera secondhand in the mid-80s until I stopped using it in the late-90s 2015-03-07 19 28 40 own Multicherry other versions HD 625 button cell jpg 150 cc-zero Uploaded with UploadWizard Images by User Multicherry Leaked electric batteries Button_cells |