Question about TechFuel® 6 Cell, Battery (SATUMT577) for Toshiba PA3817U-1BAS Laptop

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My notebook stopped charging the battery, I tryed other batteries but the problem is on the notebook. It works as the battery is being charge but the charge meter does not goes up only goes down when running on battery. I am trying to find the pin signal assignment for this battery and will be very glad if you can inform it. Francisco

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  • paco64 May 21, 2011

    I already tried 2 new batteries and the same thing happened. The notebook works without the battery. Is it possible to have a pin assignment for the battery connector. I saw that some batteries have a solid state switch that is controlled by the computer.

  • paco64 May 23, 2011

    The laptop is a new one bought 2 months ago at Bestbuy, there is no corrosion on the connector.

  • paco64 May 23, 2011

    There is no corrosion on the connector. The laptop is a new one bought 2 months ago.

  • paco64 May 24, 2011

    There is no corrosion on the connector. It´s a new laptop bought 2 months ago.

  • paco64 May 25, 2011

    My friend, the contacts on the laptop are male exposed contacts, are not corroded and in perfect conditions. If there is a contact problem it should be on the battery connector but I´ve tried 2 more batteries.

  • paco64 May 26, 2011

    The battery terminals are solid male blades, which are perfect and also with no corrosion. If there is a contact problem it should be on the connector at the battery which is a female connector and more fragile. But this problem happened with the original battery and 2 new ones that I tested.

  • paco64 May 26, 2011

    The battery contacts on the laptop are male blade contacts, they are in perfect condition and without any corrosion. A contact problem would be more probably on the battery connector that is a more fragile one but I tried 2 more batteries and all with the same problem.

  • paco64 May 26, 2011

    The battery connector is a male blade type connector. It´s in perfect condition as the blades are exposed and can be examinated easily. There is no damage or corrosion. The battery conector which is a female is more fragile but I´ve tested 2 other batteries and the results were the same.

  • paco64 May 30, 2011

    Yes, the system power on without battery.

  • paco64 Jun 09, 2011

    Yes, it powers on.


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The problem is with the battery, the battery is been shorted, perhaps, due to power surge, the problem is not with the charger, to confirm this, if you remove the battery and plug in the charger to your notebook, you will see that it will still work, all you need do now is to get a replacement battery, because there is nothing you can do other than getting a new battery. Once you fix the battery, the problem is fix.

Posted on May 21, 2011

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  • Ishola Olayemi May 21, 2011

    I think the battery connectors on you laptop is corrode and will need to be replace, you will need to change the battery connectors on your laptop because they are not making contact with the battery that is why it is not charging. Once the battery connectors are changed, the battery will charge.

  • Ishola Olayemi May 24, 2011

    The battery terminals on your laptop are not making contact with the battery, that is why it is not charging, i will advice you try replace the battery terminals on your laptop.

  • Ishola Olayemi May 28, 2011

    Remove the battery from your laptop, plug the charger, see if the system will power on.


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Try to check your charger tips and also the charging socket

Posted on Feb 27, 2015

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Hope you find it helpful.


Karlox™ :)

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