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Laptop help...
Topic Started: Dec 28 2011, 02:35 AM (733 Views)
Coche Blanco
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I can solder. My battery in my laptop is dead. My power cable it messing up, and so is the power port in the laptop. Can I hack open the battery pack, remove the battery, and solder the ends of the cable + and - to the cable directly to the battery?


I have tried Seafoam to no avail....
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Rooy


Does it show that it's running on AC power, but just won't charge the battery?
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I have, with a functional degree of success, installed a new power connector in a laptop.

What you are proposing will probably not work.

Seafoam and Vodka will steady your hands while soldering.
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Coche Blanco
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I have installed new power Ports before. I just wanted to try something new. The battery is five years old and will not hold a charge. It its pretty much worthless at this point. The end of charger is also broken so I won't be losing anything if I hack it up..
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Shinrin
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I would think there's some sort of converter in between the cord and the battery to keep it from overloading the battery. No idea, never taken apart a laptop.
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BillHoo
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Generally, the battery has a life cycle of 500 charges before it starts to have problems with charging, if your battery is bad.

You could try the old jolt it to burn off the crystals/tin whiskers whatever that is shorting it out:

http://www.instructables.com/id/Revive-Nicad-Batteries-by-Zapping-with-a-Welder/

Note, this might be dangerous with different kinds of batteries. I think LithiumIon batteries might explode or catch fire - if you do this please wear a heavy apron and welders mask/gloves and video for our amusement

If your circuit board connection to the charging post is getting loose, then yes, try solderining it. As for coming up with a means of permanently soldering charger to battery, that's your decision.
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Coche Blanco
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Ended up replacing the port, and the charger. The battery will be replaced with a cheap Chinese battery.
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vikaskumar11233
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Coche Blanco
Dec 29 2011, 03:17 PM

Hey I wont suggest you to go for cheap Chinese battery because it will again create problem after some days and may also spoil you other hardware. So go for branded battery.
Edited by vikaskumar11233, Dec 30 2011, 04:12 AM.
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compjake
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BillHoo
Dec 28 2011, 01:26 PM
You could try the old jolt it to burn off the crystals/tin whiskers whatever that is shorting it out:

http://www.instructables.com/id/Revive-Nicad-Batteries-by-Zapping-with-a-Welder/

Note, this might be dangerous with different kinds of batteries. I think LithiumIon batteries might explode or catch fire - if you do this please wear a heavy apron and welders mask/gloves and video for our amusement


I will say this only once, DO NOT, I REPEAT DO NOT DO THAT!! Even if it does work, you can and probably will seriously injure yourself!

vikaskumar11233
Dec 30 2011, 04:11 AM
Coche Blanco
Dec 29 2011, 03:17 PM

Hey I wont suggest you to go for cheap Chinese battery because it will again create problem after some days and may also spoil you other hardware. So go for branded battery.


While the cheap Chinese batteries may not be as good as OEM batteries they are usually a lot cheaper, I've found I do better (longer time between buying batteries) with 2 cheap POS Chinese batteries than 1 OEM batter (about the same cost, sometimes way cheaper vs OEM)

Just get one with the highest MAH ratting you can find, minimum MAH rating will be what ever is printed on your battery. And, learn how to properly care for a laptop battery.
I'm going to assume you have a Li-ion battery since most laptops made in the last 5 years come with them.
Read this before buying a new battery http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries With their suggestions your new battery should last a very long time. :thumb
Edited by compjake, Dec 30 2011, 05:27 AM.
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Coche Blanco
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It stays plugged in. I only put the battery in to move it and the charger across the room/house. So it needs to last like ten minutes max.

Edited by Coche Blanco, Dec 31 2011, 02:32 PM.
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compjake
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Make sure you do drain it all the way occasionally(once or twice a month) leaving a Li-ion completely dead can damage them the same as leaving them at 100% full charge for a long period of time.
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Coche Blanco
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IIRC you're supposed to leave them at 40% to store them, right? I'm not too worried about it.
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