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Please see attached images. This battery is what is in a couple pairs of Bluetooth neckband earbuds I bought last year. Both pairs barely hold a charge now. I bought a different brand that has a battery that lasts for over a week running constantly (white noise, podcasts, speeches from Germany in the 30s and 40s, etc) but the neckband is floppy and annoys the shit out of me. I have only been able to find the batteries from manufacturers selling them in quantities of thousands. I just want maybe two or four of them. Price point ideally around $5-$8/battery. And I may be able to get one with a little bit more capacity because there s a bit of extra space where it is stored. Thanks for any help!!

Please see attached images. This battery is what is in a couple pairs of Bluetooth neckband earbuds I bought last year. Both pairs barely hold a charge now. I bought a different brand that has a battery that lasts for over a week running constantly (white noise, podcasts, speeches from Germany in the 30s and 40s, etc) but the neckband is floppy and annoys the shit out of me. I have only been able to find the batteries from manufacturers selling them in quantities of thousands. I just want maybe two or four of them. Price point ideally around $5-$8/battery. And I may be able to get one with a little bit more capacity because there s a bit of extra space where it is stored. Thanks for any help!!
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[–] • 1 pt

Seems this is the only answer. Unicorn batteries. Thank you.

[–] • 1 pt (edited )

Make sure to check out the dimensions, because though newer ones can have an improved capacity (from 10s to 100s mAh) while remaining identical in size, which is good because it will increase the operating time, they sometimes differ slightly in size (a few mm)