Lenovo's ThinkPad X1 has long been a top-notch business-class laptop, but battery life is one area where it (among many ...

In this case, [Mika] wanted to resurrect the battery from his IBM Thinkpad T40. He identified the offending cell and replaced it, but couldn’t get any juice out of the battery after the repair.

If they even work properly at all. Which is why [Alexander Parent] decided to take the road less traveled and scratch built a custom battery for his ThinkPad T420. By reverse engineering how the ...

With its redesign of the popular ThinkPad X1 Carbon for the ninth ... nine hours of heavy usage (on the “better battery” setting in Windows 10 and the display set to 75 percent).