Windows 10: Laptop battery not charging when plugged in and less than 100%, but ok at 100%

Discus and support Laptop battery not charging when plugged in and less than 100%, but ok at 100% in Windows 10 Drivers and Hardware to solve the problem; After update to Windows 10 Home 21H1, my laptop battery refuses to charge when plugged in but the charge level is less than 100%. It just drains until... Discussion in 'Windows 10 Drivers and Hardware' started by I-B-G, Sep 4, 2021.

  1. I-B-G
    I-B-G Win User

    Laptop battery not charging when plugged in and less than 100%, but ok at 100%


    After update to Windows 10 Home 21H1, my laptop battery refuses to charge when plugged in but the charge level is less than 100%. It just drains until the laptop is shut down.When the laptop is off, the battery can be charged to 100% and then it stays there after the laptop is turned on and plugged in. But if it's 99% or less when turned on, the battery always drains despite being plugged in.Tried to reinstall the battery and update the drivers for the battery and AC adapter, but the problem remains. With the battery removed, the laptop works fine on the AC adapter alone.It never had this prob

    :)
     
    I-B-G, Sep 4, 2021
    #1
  2. LABEEMAN
    labeeman Win User

    Battery status 100% fully charged

    Nope not every laptop is designed that way Lenovo LT are not they will when plugged in will only charge when the battery is below a set percentage and then charge it to 100% then quit charging.


    Laptop battery not charging when plugged in and less than 100%, but ok at 100% [​IMG]
     
    labeeman, Sep 4, 2021
    #2
  3. RONTG
    RonTG Win User
    Battery status 100% fully charged

    this method to keep it at 100% will not reduce battery life?
     
    RonTG, Sep 4, 2021
    #3
  4. NAVYLCDR
    NavyLCDR Win User

    Laptop battery not charging when plugged in and less than 100%, but ok at 100%

    Battery status 100% fully charged

    Every laptop and cell phone out there are designed to charge the battery to 100% and keep it there when plugged in. Modern Lithium Ion batteries do not have "memories" like the old Ni-Cads and others did. Once the battery is charged to 100%, the carging circuitry will trickle charge it to keep it at 100%. If you don't want your battery to stay at 100%, then you will have to unplug the laptop from power.
     
    NavyLCDR, Sep 4, 2021
    #4
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Laptop battery not charging when plugged in and less than 100%, but ok at 100%

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