Overview

• A new China Quality Certification Center filing lists battery EB-BS948ABY with a 4,855mAh rated capacity.
• The rating matches the Galaxy S25 Ultra’s cell and typically corresponds to a 5,000mAh marketed capacity.
• Coverage infers this is the Galaxy S26 Ultra battery, pointing to no capacity increase for the next Ultra model.
• Separate leaks indicate Samsung may raise peak wired charging to around 65W from 45W, though the company has not confirmed specifications.
• The S26 series is expected to debut in early 2026, with Pro and Edge variants rumored to launch alongside Ultra.