Batteries tied to Galaxy S27 Ultra and S27 Pro surface in Safety Korea database
Safety Korea listings show batteries tied to Galaxy S27 Ultra and S27 Pro, suggesting 5,700mAh and 5,200mAh capacities.
According to Android Authority, Notebookcheck spotted two batteries linked to the upcoming phones in the Safety Korea database. The units are identified by model numbers EB-BS958DBY and EB-BS957CBY, under certification numbers YU10899-26034 and YU10899-26036, respectively. Both are manufactured by China-based Zhuhai CosMX Power Jinwan Subsidiary.
Earlier regulatory filings suggest the phones could feature 5,700mAh and 5,200mAh batteries, respectively, for the Galaxy S27 Ultra and the rumored Galaxy S27 Pro. The batteries are pre-production units, and Samsung has not yet confirmed the phones’ final specifications. The certification photos provide a first look at the battery units, but they do not establish final capacities for either device.
Reports about the Galaxy S27 series have included rumors of a 7,000mAh prototype for the Ultra and the possibility of silicon-carbon batteries. Android Authority reported that the larger battery ambitions may not materialize. The Safety Korea entries add concrete model and certification details, while leaving Samsung’s final plans unconfirmed.
Editor's Summary
Safety Korea listings show batteries tied to Samsung’s Galaxy S27 Ultra and S27 Pro, pointing to possible 5,700mAh and 5,200mAh capacities. The units are pre-production, and Samsung has not confirmed the phones’ final specifications. Earlier rumors of a 7,000mAh Ultra battery or silicon-carbon technology remain unconfirmed.