This is a post by Surface Pro 2 owner Hector Gomez who shares his battery life report after one month of usage…
When Microsoft announced the first Surface Pro it got hit with many reviewers claiming battery life was only around 3.5 hours. I personally got a good 5 hours, and yes, if I watched a lot of videos on it, it did drop down. Though I was able to get a full work day use out of it I accepted I would always have to carry the power supply with me for full-days of usage. That changed with the Microsoft Surface Pro 2…
