Battery life is a key consideration for premium smartphone buyers, especially Samsung users who engage in long hours of streaming, browsing, social media, gaming, or work. Samsung's high-end Galaxy range includes devices with large-capacity batteries, and newer processors and software optimisation are designed to improve power efficiency. The current flagship range includes the Galaxy S26 series, with the Galaxy S26 Ultra featuring a 5,000mAh battery and up to 31 hours of video playback, while the S26+ has a 4,900mAh battery and the same claimed video playback figure. Premium foldables such as the Galaxy Z Fold7 offer a different combination of battery capacity, performance, and screen size.
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