Using a higher brightness in dark mode draws the same amount of power as lower brightness in light mode, making it easier on the user’s eyes, the team noted. Study titled ‘How much battery does dark mode save?: an accurate OLED display power profiler for modern smartphones’.Ĭhina's CATL unveils sodium-ion battery - a first for a major car battery maker
But higher the brightness when switching from light mode to dark mode, the higher the energy savings,” they noted in a “The percentage is so small that most users wouldn’t notice the slightly longer battery life.
They concluded that switching from light to dark mode saved only up to 9% power on average for different OLED smartphones at 30-50% brightness, and said the power efficiency depended on the brightness of OLED screens. The team also looked at Apple’s iPhone X for data from Most-downloaded apps on Google Play - Google Maps, Google News, YouTube, Google Calendar, Google Phone and Calculator app - to find out how 60 seconds of mobile screen activity in dark mode affected battery life. (Subscribe to our Today's Cache newsletter for a quick snapshot of top 5 tech stories. But the option is unlikely to make a big difference in extending a phone’s battery life as promoted by both Android and iOS, according to a study by Purdue University. Dark mode setting has become an increasingly popular battery-saving feature in smartphones.
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