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Comment by soapdog | Hacker News Reader

Charles,

Duracell sells new batteries for laptops. That is how I got a brand new battery for my Thinkpad x220. I just checked and they got batteries for iBook G4:

https://www.duracelldirect.co.uk/laptop-notebook/apple/ibook...

Double check if it is the correct part number, you might need to go through their laptop selector page.

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TIL, thank you for sharing!

Oh, I gave you the UK link, sorry, I don't know where in the world you are, but I bet you can ship a brand new battery there either from the UK site or the US site.

I checked the US version of that site just now - those batteries are really expensive compared to the cells inside.

If you can assemble your own then it will of course be cheaper but I'd rather buy that more expensive product than some weird knockoff. I'm quite happy with the one I'm using in my x220. Previously I tried buying used batteries in computer fairs here in London and all of them were way below capacity and usually operating below 40% efficiency.

I use the knockoff chinese batteries for my thinkpads that cost ~ $30. Haven't had a problem.

But that's not what I was talking about. I was referring to the GP comment, about using individual LiOn 18650 batteries that can be individually replaced. Those cost a few bucks each, and your X220 battery has about 6 of them inside. That's what the MNT Reform does, as well, which is what's so cool about their batteries.

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