Thread: N9/x0: share how-to/workaround/mod/app/other
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0x4e84 is offline 0x4e84
2011-10-15 , 10:15
Posts: 55 | Thanked: 140 times | Joined on Mar 2011 @ Switzerland
#302
Originally Posted by slai View Post
My N9 charges to full, and then battery monitor and stock battery displayer shows 93%. It doesnt go past 93%.

Is this strange?
No, I wouldn't worry. Battery level cannot be measured, but are rather estimated, from measurement of voltage and internal resistance (itself derived from the measurement of the voltage drop as a function of the current drown from the battery...). Then those measured are compared with average values for this type of battery...

So this is no exact science, and those parameters (full charge voltage and internal resistance) can vary quite a lot from one battery to another, so that the battery gauge will sometimes give you this kind of numbers, even when the battery is fully charged.
 

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