Compal Smart Battery on Windows 7 x64

The Smart Battery installation only support Windows XP 32 bit, Windows Vista 32 and 64 bit only. At this writing, Windows 7 is not supported yet (I confirmed for 64 bit version is not supported).

Smart Battery hardware can be identified by ACPI\CPL0002 (Compal Embedded System) id. The latest driver is version

First, install the Smart Battery software. After the installation, the driver for the above hardware is still unknown.

Next, open Device Manager and locate the hardware and choose to update the driver. Do not use automatically search for driver, instead browse the driver at My Computer. Select C:\ProgramData\Vista64 for the driver location. Subtitutes C: with your SystemDrive and the Smart Battery can work under Windows 7.

If you’re using the 32 bit version of Windows 7, The Smart Battery driver is located at C:\ProgramData\Vista32.

Update Aug 12, 2013:
Tested working on Windows 8 x64.

53 thoughts on “Compal Smart Battery on Windows 7 x64

  1. Hello,

    Compal Smart Battery runs perfectly on Windows 7 64 bit?

    I Cant understand if this tutorial is for Vista 64bit or Windows 7 64 bit.

    Thank you!

  2. Amazing! Tried to download 3 different versions of SmartBattery, tried to install a generic windows ACPI driver, tried everything. And the solution is THAT simple. Thank you so much!

  3. BTW wireless select switch also works on windows 7 32 and 64bits.
    You must install version , and it work on ifl90

  4. Hi,

    on my computer there is no such folder after I have installed the Driver. In the Device Manager one device is shown with an exclamation mark (ACPI\CPL0002 (Compal Embedded System)) and it says the driver has to be re-installed.
    But when I do so the assistant says that the driver has already been installed! What is this?
    On the other hand I already can enter Smart Battery via the Control Panel!

      1. Thanks for your quick reply! I am afraid your method does not work for me, that’s what I did:
        1) Uninstall the device in the Device Manager.
        2) Ran the setup file. It said it would uninstall the Smart Battery software, which was fine, so I continued and rebooted.
        3) The Smart Battery icon in the Control Panel was gone but the unknown device had reappeared in the Device Manager. I uninstalled it once more.
        4) Ran the setup file, installed Smart Battery and rebooted.

        – The Smart Battery icon is back in the Control Panel.
        – The unknown device is back to the Device Manager.
        – I still can’t find any “Vista64” folder.

        Have you got any further ideas so far? I want to re-install Windows anyway but I would be happy if I could eliminate all unknown devices from the beginning this time!

    1. Thanks a lot for your help!
      I downloaded your file and chose the folder when I was trying to update the driver. But it always tells me that the optimal driver is already installed which doesn’t prevent the system from setting an exclamation mark.
      Maybe it will work after re-installing Windows…

  5. Hi,

    I don’t know why but after reinstalling Windows the folders were available… All drivers installed, great! Thank you once again!

  6. It worked for me…no more not known device in the device manager…sorta made my day.

    Thanks to tohenk for the tip with reinstalling the device…worked perfectly for me.

  7. Hi Toha,

    thanks for re-uploading the latest driver! Works like a charm. That was the only thing that still annoyed me in Win7 x64 – SmartBattery is great for battery life…


  8. and copying folder “Smart Battery” from “Program Data” to “Program Files” for Icon activating.

  9. driver installation worked fine on my win7 x64. i also installed the utility but i dont know how to open the util??? in which folder is the executable located?

  10. I am using a Win7 (64 bits) pre-installed Laptop. I installed Smart Battert Driver, but I cannot find the device in Device Manager.
    First, under “Batteries”, there is “Microsoft ACPI-Compliant Control Method Battery”. Is this a device that you refer to ACPI\CPL0002? Or should there be specifically a device recognized as ACPI\CPL0002?

      1. How do you do? I’m not good at English,sorry. But I can’t use Smart Battery. Please teach me. I can’t find COMPAL Embedded System Control in device manager / system
        devices. Where can I find it?
        My system is win7 home premium edition(64bit).Machine is dell new inspiron 15r.

  11. Hello, I’m Japanese,and not good at English. Please explain simply.
    New question. I can’t find COMPAL Embedded System Control anywhere in device manager.
    What do I do?

    1. Does Device Manager shows unknown device? If yes, just look at the hardware id. It should say ACPI\CPL0002.

      1. Mr.tohenk
        Thanks a lot to your kind and rapid reply. I tried what you said,but unfortunately I can’t find ACPI\CPL0002(COMPAL Embedded System Control) under system devices in device
        manager. I looked for all devices’ hardware id in device manager,but there isn’t.

  12. Thanks you for your rapid reply.
    My PC is new one and pre-installed Win7-64bit home premium edition by DELL.

  13. Thank you for your reply. Because I’m a very amatuer, please teach me what to do in Win7 64-bit situation. I am sorry to have caused trouble.

  14. Oh for god thank you very much for this immense help after a hero looks 2 days for entire meeting the solution and the link of unload damned unknown devices shit thank you very much you are!!!!!

    pd: from Argentine – Santa fe – San gregorio

  15. Notebook Intelbras i23 / Windows 7, 32 bit / Testado e aprovado!

    Thank you so much Sir “tohenk”!!!!!!!!

  16. Plik przekopiować z C:\Program Files (x86)\Compal\EMSC-Common-Driver wystarczy vista64 do ProgramData i wtedy aktualizować.

  17. Thanx for sharing.It had been really great looking at regarding your views on this kind of subject.I had been seeking such a article fro some time,and fortunately i found your site.I really hope you will continue to keep helping people in the same way in future also.

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