Adding on to this, the best test of whether your problem is hardware or software is to do a system refresh, do all Windows updates, and then don't install anything and see how long the battery lasts (or whether whatever problem you had disappears). If the problem is still there, it's probably a hardware defect and you should get it replaced. If the problem goes away, it's likely that some software that you install is the culprit.Well, I believe there is a device issue because microsoft saw it in the battery results and are replacing the unit. But I use Chrome on my Dell XPS 13 which has an i7, and it still lasts 10 hours. Before I had Norton on it, I was still getting 2 hours.