While Samsung phones don’t have terrible battery lives, they don’t have great ones either – in our reviews of the Galaxy S22, S22 Plus and S22 Ultra, the company’s three latest flagships, we mentioned that the battery lasted a day but generally not more. That might change soon though.

One of the many arms of the company is Samsung SDI, which makes batteries for many things including electric vehicles – and according to Korean news site The Elec (opens in new tab), some of the battery tech Samsung SDI has developed could make its way to smartphones. Currently, battery makers use a certain technique to roll the batteries into a small space, and make them as small as possible, but for electric vehicles, Samsung has worked on a technique that is even more efficient for space, which is a form of ‘stacking’.
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