The upcoming Samsung Galaxy S27 Ultra and Galaxy S27 Pro smartphones have passed certification via Safety Korea. The regulatory database lists battery models EB-BS958DBY and EB-BS957CBY, registered under numbers YU10899-26034 and YU10899-26036. The components are manufactured by the Chinese firm Zhuhai CosMX Power Jinwan Subsidiary.
Data from the Chinese regulator 3C indicates that the Galaxy S27 Ultra features a nominal battery capacity of 5534 mAh, while the Galaxy S27 Pro offers 5087 mAh. These figures likely correspond to typical capacities of 5700 mAh and 5200 mAh, respectively. The documentation also confirms that both models will support 60W wired charging.
The charging speed remains consistent with the specifications of the previous Galaxy S26 Ultra model. According to preliminary information, Samsung plans to release both the Galaxy S27 Ultra and Galaxy S27 Pro in January 2027.
