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At this point, after 8 hours of testing, Low Power Mode has saved 6% additional battery life.įinally, after seeing the most notable gains being made while the iPhone was performing processor-intensive activities in Low Power Mode, PhoneBuff set up a third and final series of tests.

Two hours in the Gmail app saved another 1%, as did two hours of scrolling through Instagram. After texting for two hours, the iPhone on Low Power Mode had saved just one percentage point, but after running the browser test - in which the phone has to open the same set of websites every 30 seconds - Low Power Mode saved an extra 3%. The second time around, PhoneBuff removed the standby test and made the iPhone run app tests for two hours instead of just one. The results of the first test seemed to suggest that Low Power Mode made little to no difference on the battery life. Although there were a few instances in which Low Power Mode iPhone pulled ahead, the phone ended up dying just five minutes later without Low Power Mode.

Initially, PhoneBuff put one iPhone 12 through the channel’s standard battery test twice - once with Low Power Mode turned on, and once with it turned off. These are the questions that YouTuber PhoneBuff tried to answer in a recent video, but the results of his first test were rather inconclusive.

But how much battery life can Apple’s Low Power Mode actually save? In fact, does Low Power Mode do anything at all? As Apple explains on its website, “Low Power Mode reduces the amount of power that your iPhone uses when the battery gets low.” In order to accomplish this, it reduces or affects a number of features, including email fetch, background app refresh, automatic downloads, 5G service, and more. In all likelihood, the only time you’ve ever used Low Power Mode on your iPhone or iPad is when prompted to do so after your battery life dips below 20%.