battery recharge time

Hi All, I have a Surface Pro 4 - i7 8GB 256GB. So far, I had Windows Hello off. I usually run: 1) Microsoft Edge or Google Chrome with several tabs, one of them is streaming video/music. 2) Visual Studio or some other IDE. 3) Skype 4) Explorer 5) Mail App I get 2.5 to 3:25 hours out of the...