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‎01-19-2020 08:36 PM

HP Recommended
Product: Hp probook 640g1
Operating System: Microsoft Windows 10 (64-bit)

My laptop always displays the wrong battery percentage. I changed the battery twice already and the situation still persists. The battery can sustain 93% for 2 days with no use and the  suddenly drop to 10% with 30 mins use and then suddenly ok again? The battery life also fluctuates at 4hr plus for 90% to 2hr plus at 89%. Help please

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