mardi 24 mai 2016

battery puzzle

Battery life under 6.0.1 seems decent enough: 10% charge remaining after 17h 52m, with the screen on for 4h 10m. The day's usage included a half hour of streaming HD video and a half hour of Skype videochat. WiFi, mobile data, Bluetooth, GPS were turned on, smartwatch connected, and social media apps were running in the background.

But I'm puzzled about the detailed battery statistics.

The screen is reported to have used 714 mAh of charge, which is reportedly 46% of the total charge used so far. Thus, the total charge so far would be 1552 mAh. And the total so far is reportedly 90% of the battery's capacity (i.e., 10% remaining).

By those numbers, the battery's total capacity is 1724 mAh. But that's only 57% of its rated capacity of 3000 mAh.

What's going on? Is the battery that worn out (despite its reasonable performance), or are the numbers being reported incorrectly?


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