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I have a Lenovo T500
and have bought an extended battery pack 71WH from a seemingly reputable Amazon seller. It use to run for an hour, year old
The laptop will charge [or reports to charge] the battery to 86%.
It now runs for 5 mins or less then machine powers down
I have Xubuntu power setting to alert on low battery,
there is no time t0 react
Does Lenovo detect this is a non OEM battery and shutsdown
or is battery reporting fake information?
Don't know the original state of the battery so I can't guess.
Things that can cause a battery to go bad. Overcharging, time, use, very low charge.
I doubt Lenovo can know if it is fake as such. The system may have a wrong charge parameter or battery not reporting correctly or system not able to read battery correctly.
Just so many variables.
I've not had good luck with replacement batteries except for a real IBM system.
Let me guess - the replacement battery from a "seemingly reputable Amazon seller" was significantly cheaper than the corresponding Lenovo original?
Isn't it more likely that the battery simply isn't as good?
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