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Repair information, service guides, and replacement parts for JBL headphones.

JBL Quantum TWS - Battery

Hi,
I would like to ask, if you would know which specific battery is placed in the JBL Quantum TWS, earpiece and case. These had catastrophic battery failures but I would like to try and repair them with new ones.

Thank you.

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I just tried with mine - I have problem with actual earbud's battery - it does not last long anymore.

It's not hard, but you should be careful. The insides are glued together, but I was able to open it just with my finger nail.

Afterwards, you unplug the pin and push board up. Better start doing it by pushing charger pads with a something thin, to avoid breaking them (that what happened to me, however should be easy to solder them back).

Battery itself has marking 0.196WH Li-ion VDL 1240H, however I was not able to find exact substitute, will try some other battery of a similar size e.g. LIR 1240.

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Hi,

Thank you for the information! This is super helpful. I have also found some information on the battery in the manual, but I wasnt able to find any suitable substitute.

Edit: Adding link

https://www.manua.ls/jbl/quantum-tws/man...

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