The Galaxy S21 Ultra lasts a long time — but there’s a catch
Samsung turned to big batteries and a more efficient 5-nanometer processor for powering its latest Galaxy S21 phones. Based on our testing, you’ll see mixed results depending on which model you buy.
Things look good for the 6.8-inch Galaxy S21 Ultra, which lands on our best phone battery life list by lasting nearly 11.5 hours on a single charge in our battery test.
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