As of July 2025, we believe the 13-inch Apple MacBook Air powered by the M4 chip is the best cheap MacBook for most people.

The process for changing a PC or MacBook battery involves unscrewing the back, unplugging the old battery, inserting the new one, and testing the laptop. At some point in life, you'll want to be ...

How PCWorld tests battery life: When it comes to testing battery life for laptops, we loop a 4K file of a short film on screen until the laptop dies.We set the brightness level to 250 to 260 nits ...

Want to set a battery charge limit on your laptop? Learn if it’s possible, how it works, and why it can help extend battery ...

PCWorld has been testing and reviewing personal computers since 1983. Read further for all the details on how we test laptops for CPU and GPU performance, battery life, daily usability and more.

Finally, depending on any niche use cases, we can test the laptop's performance further in specific areas. ... Also: The best battery life laptops: Expert tested and reviewed.

Battery life: To gauge a laptop's stamina, we conduct a battery rundown test that involves playing a looped 1080p version of Tears of Steel, a short open-source Blender movie, ...

Another Snapdragon powered laptop with ridiculously long battery life is the Lenovo ThinkPad T14s Gen 6.The classic ThinkPad is one of the longest running brands in laptop history, and the T14s ...

Every laptop that we test in our lab is subjected to multiple real-world battery tests, from browsing the web to playing video. Here, we run at least three battery tests on each laptop, including ...

We test all laptops with a core set of benchmarks, including Primate Labs Geekbench 6, Cinebench R23, PCMark 10, a variety of 3DMark benchmarks (whichever can run on the laptop), UL Procyon Photo ...