Should I leave my laptop plugged in while I am at home? All the time? Or should I run the battery down from time to time?

Digital Nomad question about maximizing battery life for DELL tech dept. Should I leave my laptop plugged in while I am at home? All the time? Or should I run the battery down from time to time?

So we all have Li batteries now a days, and I know they have no "memory" effect, but I since I am using my Laptop for almost everything and as I travel around the house, should I pull my powersupply along and plug it in. Or should I not worry about it and let it run down and plug it in when it needs to be charged?

Do Li batteries have a set number of times they can be charged and discharged before they die? If so, perhaps I should keep my laptop plugged in until I'm travelling.

I would like a technical answer from the DELL tech department if possible. Less marketing speak and more about what's happening and why one method is better than another.

Thanks in advance from a big fan,

@jmacofearth