I always hear that it’s bad for lithium batteries to charge over 90% or over 90% so why is there no setting to stop charging after a certain threshold on my phone, kindle, pc or e-skate?

Question

I always hear that it’s bad for lithium batteries to charge over 90% or over 90% so why is there no setting to stop charging after a certain threshold on my phone, kindle, pc or e-skate?

In: 129

Answer 1

The keyword here is **my** phone, kindle, pc, or e-skate.

Maybe your devices are secretly doing this in the background, or maybe they’re really not doing it at all. My phone from 2018 does it, as does my laptop from 2016. Most modern devices do, too. And even if there is no setting, maybe the manufacturer only uses 90% of the “full” battery capacity and calls that 100%.