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‎07-16-2018 04:05 AM

HP Recommended
Product: Pavilion 15-au136tx
Operating System: Microsoft Windows 10 (64-bit)

I am very, very disappointed on this PC I have: constant thermal throttling aside, this PC has failed TWO batteries for the exact same problem! I did not expect such a bad performance/reliability on this brand which I trusted on.

I spent one month to finally swapped the first faulty battery and months later, this new battery went broke just like the first one. Currents dropping, getting 'discharged' on AC regardless. And then instantly get fully charged, for NO apparent reason.

For the first failure, refer here just in case: https://h30434.www3.hp.com/t5/Notebook-Hardware-and-Upgrade-Questions/Battery-does-not-charge-on-AC/...

 

Here's the charging graph recorded from Windows' UWP app:

Capture020.PNG

On the left side, battery is under normal charge/discharge, and right side is where things go totally wrong.

The massive valley on the graph happened on my PC instantly dropping from 50% to <3%. Under sleep mode it still can drain from 15% to 3% in less than 4 hours. Battery Saver mode was enabled all the time. Real-time recording was disabled due to Battery Saver, causing inaccurate graph readings on that section.

From what I observed in only took few minutes to drain 50% to <20% with only MS Powerpoint slideshow going on and everything disabled to save battery to the maximum extent (and PC was idle).

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