Overview

• A leak from Chinese tipster Instant Digital suggests the Galaxy S26 Edge will pack a 4,400 mAh battery, matching the cell used in the Galaxy Z Fold 7.
• The S25 Edge’s 3,900 mAh battery drew criticism for its limited endurance when the model debuted in April.
• Reports do not indicate adoption of silicon-carbon cell technology, leaving unanswered how Samsung will integrate the larger battery without thickening the phone.
• The rumored 12 percent capacity boost could help the Edge variant compete with Samsung’s Plus-sized models by easing prior battery life concerns.
• The Galaxy S26 series is on track for an early 2026 launch, with the Ultra model expected to continue using a 5,000 mAh battery.