For me power draw is about battery life. If you occasionally need to work without a power plug, or carrying your laptop from meeting to meeting all over the office, you really appreciate when the power lasts all day. My T14s battery draw of ~6.5W on the 57Wh battery will last me ~8 hours, good enough for a day unplugged at the office. (I'd love a bigger battery, but it is what it is...)