Dell E5450 incorrect battery level
Latitude E5450/5450
Recently my laptop has been giving me incorrect battery level readings.
My laptop seems to work fine and the battery does not play up but when my battery level drops to around 40% it will suddenly drop to around 7% in a matter of seconds, I have checked all the hardware and did a full laptop diagnostics check through the dell website and apparently everything is normal? Also my laptop says the battery is preforming normally. What else could i do to fix this? Maybe need to reset the battery controller? Battery new.
ejn63
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January 26th, 2023 04:00
Run a battery report - from a command prompt with administrator privilege type
powercfg /batteryreport
What are the current and design capacities showing?
RuslanGarmash
7 Posts
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January 26th, 2023 04:00
RuslanGarmash
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January 26th, 2023 08:00
Forgot to add. The battery is new.
ejn63
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January 26th, 2023 09:00
If it was sold as new, note that it has only 75% of its rated capacity -- I suspect it's old stock and has one or more weak cells in it. Contact the seller for a replacement under whatever warranty they provided.
A truly new battery should have 95% or more of its rated capacity available at the in-service date -- not 20% below that.
RuslanGarmash
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January 26th, 2023 11:00
Maybe need to calibrate the battery? The charge level may drop sharply and the laptop will turn off. But after switching on, it will continue to work for a long time at the level of 0%.
ejn63
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January 26th, 2023 13:00
There is no calibration needed or possible.
If the battery is OEM, it may be old stock. If it's not, it's clearly not correctly communicating with the system (which is common for third-party batteries). Have the seller replace it if it's OEM, or refund if it's third party.
'
RuslanGarmash
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January 31st, 2023 00:00
Thanks for the answer. returned the battery to the seller.