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[Q] Battery recalibration

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http://forum.xda-developers.com – I have been heavily using my N7, unplugged, for the past 3 hours and the battery status is still at 100%. I have rebooted 3x to see if the battery status system would reset, but to no avail. Earlier today my N7 gave me the 14% low charge warning and then jumped to 0% and triggered automatic shutdown during the 30 second walk to get to the charger. SpareParts is currently showing my battery voltage as 3 mV ... which certainly can't be correct. It seems to me that my battery is in need of recalibration. I tried searching the issue, but the signal-to-noise is really low due to the previous fad (HowTos)