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Dead Laptop battery charge circuit

Discussion in 'Troubleshooting and Repair' started by TeaCups, Jan 15, 2018.

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  1. TeaCups

    TeaCups

    1
    0
    Jan 15, 2018
    Hey Guys, I am a hobbyist, like doing basic soldering and repairs on my off time. I got here an spare HP6730B Laptop which once was plugged into an wall outlet with no ground and ever since the battery itself, would not charge again. I am sure its the battery and not the charging circuit on the MB as I have put in another battery and that worked and charged well.

    Anybody got any idea if I can do a quick repair on it with maybe some ebay parts? :)
     
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    10,025
    2,138
    Nov 17, 2011
    Playing with LI-based batteries can be dangerous. I recommend you get a working battery.
     
  3. turbogt16v

    turbogt16v

    173
    4
    Mar 27, 2015
    If you dont need it to run on battery you can power it from adapter to battery pins inside laptop.if you want to repair battery you must be carefull, because you need to cut the plastic ,if you cut battery it may explode,or burn,find what is faulty one and replace
     
    Last edited: Jan 16, 2018
  4. kellys_eye

    kellys_eye

    4,276
    1,146
    Jun 25, 2010
    irrelevant.

    sure the charging circuit is on the mobo? Quite often it is part of the battery itself these days - it could explain why a new battery works and the old one doesn't.
     
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