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My battery is dead

Anyone knows what are the specs of this battery?
I would like to order the replacement but I'm not sure if this one is the one:
https://www.aliexpress.com/item/10050034...

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Don't buy from Aliexpress. The sellers just string you along for months & never ship the battery.

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Grzegorz Baran the battery for this device is a

AHB330945

9429011-1891

0.4Wh

3.7V dc

You could possibly use the battery you have linked to but it is not an exact replacement. You may have to "fiddle" with it to make it work.

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Is this https://amzn.eu/d/4ymcXmN compatible?

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@eduardo13755 looks like it might just fit.

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You might want to check here for a complete teardown:

https://www.52audio.com/archives/28539.h...

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Did you try to see if it charges while glasses are fully folded?

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