Yep. Lenovo T-series laptops are still chock full of Field Replaceable Units (FRUs). And they still publish the maintenance manual to tell you exactly how to replace them:
https://ok2.de/media/ThinkPad/HMM/t480s-hmm_en.pdf
Word. T520 / T61 user here -- upgrades and repairs are a breeze compared to when I was using an MBP -- to say nothing of the design that is actually ergonomically sound [within reason] as opposed to merely cool-looking
