There was a time when high-end smartphones willingly sacrificed their battery life in favor of new features. But with an increasingly mature smartphone market and advances in engraving finesse, the high-end is now holding its own very well on this subject.
Or rather, should we say, was holding its own. Because 2024 marked an important turning point, with the introduction of a new technology that has reshuffled the cards: carbon silicon batteries. The Realme GT 7 Pro, the OnePlus 13, the Honor Magic 7 Lite and the Poco X7 Pro, all these smartphones are equipped with them and therefore share one thing in common: a battery capacity of at least 6000 mAh.
Samsung is reportedly planning to catch up with the competition
Until now, a battery like that of the Galaxy S25 Ultra reaching 5000 mAh was considered large. The rest of the high-end Samsung range, on the other hand, was already seen as a bit weak on the subject, with 4000 mAh for the S25 and 4900 mAh on the S25 Plus. Let's remember that despite their capacities, the smartphones do very well in our mixed autonomy tests.
According to the Korean media FNN News, Samsung could set the bar very high as early as next year on the Galaxy S26. The smartphones would integrate batteries with gargantuan provisions, ranging from 6000 to 7000 mAh. This would probably bring the Galaxy S26, the smallest model, to 6000 mAh, and the Galaxy S26 Ultra, the largest, with the largest capacity.
When it comes to battery and charging, the Korean giant is conservative to say the least. In 2022, the Galaxy S22 with its 3700 mAh was already looking pale in comparison to the competition. But the position of the Seoul firm can be explained by at least two reasons:
- With its number 1 sales position, the company faces very significant production constraints that do not allow it to be as agile as its Chinese competitors;
- The precedent of the Galaxy Note 7 continues to haunt Samsung. Due to an assembly problem, the battery became unstable, leading to worrying, or even downright dangerous, combustions or smoke emissions. Samsung had also stopped production of the device in what is undoubtedly the biggest glitch in its history.
If Samsung were to actually make the switch to silicon-carbon batteries as early as 2026, that would be a nice surprise.

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