TL;DRA new report suggests the Galaxy S27 Pro and S27 Ultra will feature notably large batteries.The S27 Pro could offer a 5,200 mAh typical capacity, while the S27 Ultra may include a 5,700 mAh battery.These gains may be enabled by the use of silicon-carbon batteries.Samsung’s new Galaxy Z Fold 8, Z Fold 8 Ultra, and Z Flip 8 are the company’s first phones to use silicon-carbon batteries, an advancement that means more capacity can be squeezed into a slimmer chassis. We’re excited at the idea that Samsung could also use silicon-carbon batteries in the Galaxy S27 series, and today, an intriguing new rumor today points in that direction.Galaxy Club has shared some information about the batteries Samsung will use in the Galaxy S27 Pro and Galaxy S27 Ultra. According to the report, the S27 Pro will come with a rated capacity of 5,087 mAh, which could make for a typical capacity of 5,200 mAh. The S27 Ultra, meanwhile, will reportedly feature a battery with a rated capacity of 5,534 mAh, which could be advertised as a typical capacity of 5,700 mAh.