South Korean publication FNNews reports that the Galaxy S26 Ultra could pack a capacity of up to 7,000mAh—higher than most of its Chinese competitors.

The Samsung Galaxy S25 Ultra is a good phone, but it also leaves people wanting more — especially since phones like the OnePlus 13 show more innovation. While the Galaxy S25 Ultra is a premium flagship that many will be happy with,

Samsung is said to be adding battery-extending technology to the Galaxy S26 smartphone range, though it should arguably have been present in the Galaxy S25 already. South Korean outlet Fnnews has issued a fresh report claiming that Samsung is pondering the use of silicon-carbon (Si-C) battery technology in next year’s Galaxy S26 family.