They work great with my Sony headphones. It didn't look exactly like the photo but they had the same part number and specs and still worked fine. - see photo. I ran into this battery issue after two months of use. The battery starts to work much less than before. I used a second battery - same thing, they last about two hours, then it starts to turn off. I used my regular battery and it lasted twice as long at around four hours. These batteries should last about 7 hours. Maybe I got a bad batch. I will try another brand.
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