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They still do? You just need to unscrew the base plate, plug it out and the new one in

Some people strongly prefer to have an external battery that can be swapped (as in pull a tab, remove the battery, and plug in another, which is fully charged). Older Thinkpads (T480 and earlier) had a second, smaller, battery inside that would keep the laptop running while the main (external) battery is being replaced.

I've been using various Thinkpads for 10+ years and have yet to use this feature. But hey, to each his own :)

Yes, I also prefer the 2nd external battery on my T470.

But in today's market it's still one of the most simple to change batteries. And you know you can still purchase a genuine one, 4 years later for a reasonable price

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