Samsung may be testing the giant phone battery upgrade of your dreams — but don’t expect much of a boost for the Galaxy S26 Ultra – United Cultures

United Cultures

Samsung may be testing the giant phone battery upgrade of your dreams — but don’t expect much of a boost for the Galaxy S26 Ultra

December 29, 2025

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Samsung is continuing to work on silicon-carbon battery tech, but it doesn’t appear to be ready yet.

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