Comment by Scrounger

> Also M2 batteries are about maybe halfway done already unless the refurb replaced the battery.

My mom still uses a 2019 Macbook Air with 8GB of RAM. The battery requires servicing, but she's unaware and still using it just fine. I asked her to go to the Apple Store and get the battery replaced along with her iPhone 12 Pro Max battery, and she'll easily get 10 years out of each device.