Galaxy S27 Ultra could get a 5,700mAh battery, Samsung's biggest ever in a slab phone

3C certification indicates the Galaxy S27 Pro will get a 5200 mAh battery, while the Galaxy S27 Ultra will get 5700 mAh with 60 W charging. This is Samsung's largest capacity increase since the Galaxy S20 Ultra, likely enabled by silicon-carbon technology.

• Galaxy S27 Ultra: 5700 mAh battery, 13% more than 5000 mAh on S26 Ultra
• Galaxy S27 Pro: 5200 mAh battery
• Both models will get 60 W wired charging
• Capacity increase likely enabled by silicon-carbon technology