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Elitebook shuts down when battery falls below 20%

kelvinhall05
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I've noticed that as soon as my battery hits 20%, the laptop shuts down without warning. I can make it back onto the desktop in Windows, but it shuts down again after about 5 seconds on the desktop. As soon as I plug it in, it doesn't happen. Does anyone have a solution for this? It's an HP Elitebook Folio 9470M. Thanks!

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Posted

My Lenovo MIIX 510 did the same thing, I say google it, it should be an issue with the power settings you are using on your laptop but mine did it under 30% except when plugged in, it is the equivalent of setting your laptop to auto shut down when at a low battery level but its at 20% instead.

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You may need to re-calibrate the battery so Windows knows the true capacity. If the battery becomes mis-calibrated, Windows may think the battery has 20% left when really it's running on absolutely empty.

This article on howtogeek.com lists the steps. https://www.howtogeek.com/172271/how-to-calibrate-your-laptops-battery-for-accurate-battery-life-estimates/

Failing that, there might be a fault with your battery.

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