It kept up well and never felt sluggish, even when I had ten or more browser tabs open ... battery was usually back to full within an hour or two. Lenovo Yoga 7i (Gen 9) 2-in-1: Webcam If a ...

But when it comes to battery life, with the Gen 9 update, the X1 Carbon is back. For the ninth-gen model, Lenovo has restored the notebook’s 57 WHr battery capacity, up from 51 WHr battery used ...