The article delves into the crucial yet often overlooked aspect of real-world battery life performance in Copilot+ PCs. While benchmarks may provide consistent results, they fail to accurately represent how laptops are used by real people. The author highlights the discrepancy between benchmark figures and actual usage, emphasizing the need for more realistic testing methods. Drawing a comparison to the MacBook Air, known for its exceptional battery life, the author assesses the Lenovo Yoga Slim 7x 14, hoping for a competitive performance. Initial impressions reveal mixed results, with some areas impressing while others fall short. The author remains skeptical but optimistic as battery life gradually improves over time. Despite the ongoing evaluation, the author acknowledges the importance of a credible challenger in the Copilot+ PC market. With a focus on real-world usage and continuous testing, the article concludes on a hopeful note, anticipating that these PCs will eventually meet expectations and compete effectively in the market.