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Forum help, Rebuilding a better battery for no-name netbook.
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help, Rebuilding a better battery for no-name netbook.

rayjai
rayjai over 13 years ago

Hey Ben,

 

I have a no-name netbook that I got a few years ago and the battery life only has 1 hour left. I'm trying to find a replacement battery for it but I can't seem to find it. I have no part number to go by. It would be awesome if you or anyone here could help me rebuild the battery by replacing the cells inside. Maybe you could even make it better!

 

I appreciate any help I can get!

 

Ray

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  • killarshark33
    killarshark33 over 13 years ago

    Google how to bring a battery back to life.  There is a bunch of youtube videos on how to shock it back to life.  Or if you want to pay for a guide you can search it on eBay and a bunch of people sell tutorials.

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  • rayjai
    rayjai over 13 years ago in reply to killarshark33

    I don't think shocking will help, I might need a new battery.

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  • Former Member
    Former Member over 13 years ago

    use kipkays battry hack

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  • Former Member
    Former Member over 13 years ago in reply to killarshark33

    If its Lithium-Ion, shocking it would be extremely dangerous! its sort of ok to do to  nihm and a few other lead batt types, but always be prepared for explosion / splashback.

     

    Rayjai; Try carefully opening the battery housing and see if you can find some identification on the cells you may be able to replace them. Just be careful and remember to replace them all as they are usually paired.

     

    Or gut the battery shell and replace all the cells and charger circuitary, who knows you might end up with more runtime than it had as new. Alternatively  I think systm did an episode on improving laptop battery life using external sources a while back

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  • rayjai
    rayjai over 13 years ago in reply to Former Member

    Hi, I managed to crack open the case and this is what I found, it's so different from the guides out there. Does anyone know if i can add extra cells to it?

    I can post more images if needed.

    Thanks

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  • Former Member
    Former Member over 13 years ago in reply to rayjai

    I would advise against adding additional cells, li-ion can be dangerously unpredictable especially cheaps ones and I doubt that controller could handle it. Google couldn't pull up any data on those part numbers, but these look like they might be a suitable replacement. Anything else would require ditching the lot and building from the ground up. Does the netbook have any identification numbers. Make/model?

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  • rayjai
    rayjai over 13 years ago

    thanks for getting back to me.

    there is no marking ont he netbook, the netbook is a 10.1 inch knock off of the sony Viao P.

    The battery sticker lists, Polymer Li-ion battery, Model L200, DC: 7.4v, 3800mah 25wh.

    I took the laptop apart before and i forgot the model of the motherboard. i'm going to take it apart again to check.

    do you know if I can use another type of battery instead of li-ion?

    Thanks again!

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  • Former Member
    Former Member over 13 years ago in reply to rayjai

    you cannot use a different type of cell without replacing the controller aswell, and as its an unknown laptop it would be very hard to spec. I think your best options would be to locate two 3.7v 3800mah cells to replace the old ones, source a whole new battery or use an external power option.

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  • rayjai
    rayjai over 13 years ago

    Thanks,

    it just needs to be li-ion right? does it need to be the same shape?

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  • Former Member
    Former Member over 13 years ago in reply to rayjai

    Well anything you can find that fits into the existing structure that is 3.7v 3800mah. I use li-ion cells in a lot of my projects, and these cheap cells never match up to their stated specifications, Replacing them will fix your issue.

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