Is it a matter of how strong the current is coming out of the battery? Is less power in the battery meaning “free space” in the battery and that’s what is measured?
In: Technology
There is a chip, nicknamed the fuel gauge, which looks at what’s coming out of the battery and comparing it to historical performance, as well as the expected performance. It takes care of variance due to heat, age, etc. automatically via algorithms to predict the remaining charge accurately
https://www.ti.com/product/BQ27200#features
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