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    Battery not fully charging

    So I get a new battery for my T30 thinkpad and the first charge went okay.
    The next charge it goes up to 76% and stays there with the system charging the battery and the number not rising any more.
    I cycled the battery again and now I'm at 66%.
    I'm assuming a faulty battery, right?
    Find Nedry!


    Check the Vending machines!!

    <----Computer says I need more beer.

    #2
    Re: Battery not fully charging

    yup, pretty much. i hope it is under warranty.
    sigpic

    (Insert witty quote here)

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      #3
      Re: Battery not fully charging

      I bought a china battery for my X21. It did exactly this. First charge 100%, then 80% then 65% and so on until it would only hold 14% and run for 15-20 minutes.

      I reported the company for counterfeiting on ebay and got my money back.

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        #4
        Re: Battery not fully charging

        It's got a three year warranty so I'm sure I can get it replaced.
        Find Nedry!


        Check the Vending machines!!

        <----Computer says I need more beer.

        Comment


          #5
          Re: Battery not fully charging

          Many lithium-ion batteries for computers have an electronic fuel gauge, which needs to be calibrated by a manufacturer-provided utility from time to time.
          (I tried to charge up a lithium-ion battery pack with a charger which can do those batteries, but the laptop would not start is because even though the battery is fully charged; the electronic fuel gauge was reading "empty")
          My first choice in quality Japanese electrolytics is Nippon Chemi-Con, which has been in business since 1931... the quality of electronics is dependent on the quality of the electrolytics.

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            #6
            Re: Battery not fully charging

            i miss the days of "dumb" battery packs on laptops :/

            like on my 386.. 4pins on the battery pack. positive, negative, t1, t2.
            nothing in the battery pack except the cells and a temp-sensor.
            all the charging stuff is in the laptop.. really easy to replace the cells..

            i'm prolly the only one with a 386SXL 25 laptop with copro added and about 4 1/2 hours runtime on batteries lmao

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              #7
              Re: Battery not fully charging

              one other thing to make sure of is the bios is updated if you are getting a higher capacity of a battery then what came in the laptop. I have seen some laptops that will not even charge the battery until the bios is updated when putting in a newer, higher capacity battery then the one from the factory.

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                #8
                Re: Battery not fully charging

                The BIOS is up to date.

                Yep. I am indeed covered under warranty and all I do is send this one back and they send me another, no questions asked.
                Find Nedry!


                Check the Vending machines!!

                <----Computer says I need more beer.

                Comment

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