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How to tell if a battery is bad for an HP Elitebook 840 G2 core i5 notebook

HP EliteBook 840 G2
Microsoft Windows 10 (64-bit)

So I've already tested the power adapter to the laptop and I'm getting 22.1v of power. But I'm wondering if there is a way to test if the battery is any good. I've plugged in the laptop to the power adapter and nothing is happening. I believe the laptop is most likely done as we know it but wondering if there are any other methods to test if something shorted or just a bad battery.

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How to tell if a battery is bad for an HP Elitebook 840 G2 core i5 notebook

@OverSize 

 

Please try

 

   https://support.hp.com/au-en/document/c04700771

 

Regards.

BH
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