I am using a x201 from 2011 and a Huawei P20 lite from 2018. Both have replaced batteries, the x201 got a battery replacement sometime in 2017 and the P20 lite

I am using a x201 from 2011 and a Huawei P20 lite from 2018. Both have replaced batteries, the x201 got a battery replacement sometime in 2017 and the P20 lite had its battery replaced and ports cleaned a couple months ago. Both still work great I don't want to upgrade.