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I got a hand-me-down AMD 586 Canon Innova Book 360CD laptop (its basically a Pentium class laptop) and it was pretty messed up after 10 years. The main problem that I had with it was that the CMOS battery was dead. I found out later that the CMOS battery was a Ni-MH battery pack. I had the hardest time getting to the battery so I just put up with it. Every time I restarted the computer it would give me an error saying that I needed to reset the bios settings. Finally I realized you could get to the battery if you loosened a couple screws on the back and then lifted up the keyboard. | |
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So now that I could replace the CMOS battery, I started looking into replacing the main battery. Most places wanted $125 or more for this particular model or much less for a used battery that they would not guarantee. |
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| So I set out to replace the cells inside the
pack instead of buying one. Since there was so little information about
this on the internet I decided to make my own tutorial. I ended up spending
around $35 for 10 A cells and 3 button cells for the CMOS pack. Here is
the information I did find that helped: RcCarAction.com | Repair4Laptop.org | BatterySpace.com | BatterySpecialists.com Batteryspace is where I bought my new cells. |
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These are some of the tools you will definitely need.
Gluing the cells together will make them easier to manage and solder.
Of course you need solder and a soldering iron. Some wood blocks and duct
tape will make them stand nicely for soldering.
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| These are some other tools you will probably want to have on hand. The electrical tape, the pocket knife and the needle-nose pliers are the most important. |
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| The Sharpie, Dremel, Husky precision screwdriver, wirestripper and the multimeter are all optional but I especially recommend having the Dremel and the multimeter. Some of these tools will be more useful in part two. | ||||||
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You need to stick the end of a sharp blade into the
seam of the battery case. I used a pocket knife.
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| Work slowly all the way around and be as gentle as possible. |  |
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| Look at what is printed on the cells. The cells in my battery were 4/3 length A cells. The other number is the milliamp hours that the battery is rated for. This number can be different on the cells you order, all you need to know is that the higher the rating the longer the new batteries will last. |  |
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The cells I ordered are 3500mAh so my new battery will last about a third longer. For a better explanation of milliamp hours go to BatterySpecialists.com | |||||
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| I'm not really sure what happened here, but the plastic at the end of the cell was all melted and blistering and the wrapper on the cell was all shredded. |
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I guess its possible that this is the only bad cell in the pack but I would rather just start fresh. | |||||
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| I started by lining up two cells at a time, taping them together with little strips of duct tape, then hot gluing them together. Hot glue is good because it is removable if they didn't line up just right, and its also very quick to set up. |
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Make sure you line up the cells in alternating order. | |||||
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