Improve earbuds battery lifespan: limit charge to 80%

Sep 22,2023
Sep 22,2023 at 7:39 am
Sep 22,2023 at 7:39 am

Are there any plans to limit the state of charge of the earbuds to 80%?

It is well known that charging only to 80% can double or even triple the lifespan of the battery when compared to always charging to 100%.

The fact that the earbuds get charged whenever they're in the case, it means that the state of charge will likely be at 100% most of the time. This can dramatically reduce the lifespan of the battery and make the earbuds unusable in just a couple of years :/

Ideally, the case would stop charging the earbuds as soon as their state of charge reaches 80%. Or at least we should be able to configure this threshold via the app.

Is this firmware upgrade planned?

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EarFun CS Team

Staff Member

Oct 12,2023 at 3:10 am
Oct 12,2023 at 3:10 am

Hi Friend,


Thanks for choosing EarFun. 


Our batteries are from Apple suppliers. The charge cycle times are sufficient and the batteries have a  long lifespan. Under normal use, there is no problem.


If you have a warranty claim, please email our customer service team via or submit the warranty ticket on our official website: EarFun provides an 18-month warranty for every product. Your satisfaction is always greatly important to us.




EarFun Customer Service Team

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