Industry Expert Blogs

The recent purchase of an LTE smart phone has me back on my power management soapbox. I upgraded my phone about a month ago to the newest version (staying with the same manufacturer as my previous device) and to my dismay, although it wasn’t completely unexpected, the battery life was actually shorter. I did not do a ‘scientific’ comparison, but following the same daily use pattern I noticed the battery life percentage indicator was much lower at the end of the day when compared to my two-year-old 3G model.

The reason I say this was not completely unexpected is because in my February 2013 SLD blog (Power Management: Throwing Down the Gauntlet) I sighted a recent survey showing that users of 4G phones were less satisfied with the battery life than were users of 3G phones. This was due to the fact that the radio needed to wake-up more often to look for a 4G base station. I also suspect that the larger screen is another key contributor.

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