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Battery life improvement?

Old(er) Thinkpads with New(er) Intestines: X62 / T50 / T70 / etc.
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Thinkpad4by3
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Battery life improvement?

#1 Post by Thinkpad4by3 » Mon Mar 11, 2019 9:17 am

This is mainly for the X210 but if you have one of the other machines, feel free to answer. How much better is the battery life on the newer machines. I mean the batteries for these machines are getting old and weak, but also the use of new LED displays, more efficient panels, and much lower power electronics compared to what it came with. And if it is better(which I assume it is, how much better is it if you know what you originally got on one of those machines.)
Thinkpad4by3's Law of the Universe.

The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.

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