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Galaxy S26 Pro and Edge Leaks Confirm 4,300mAh Batteries and Slim Profiles

Consistent leaks report 4,300mAh cells with the Pro offering a 6.27-inch screen, reflecting Samsung’s commitment to slim Li-ion designs despite delayed Exynos chips.

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Customizing the lock screen in One UI 7 on a Samsung Galaxy S25 Plus
The exact battery capacity of the Galaxy S26 Edge has been confirmed, so is it worth the upgrade next year?
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Overview

  • Multiple tipsters have now corroborated that both the S26 Pro and S26 Edge will feature a 4,300mAh typical battery capacity (rated at 4,175mAh) to boost endurance over the S25 generation.
  • Leaks show the S26 Pro will retain a compact 6.27-inch display, marking a small screen flagship option in Samsung’s rebranded Pro-Edge-Ultra lineup.
  • A registration report confirms the S26 Edge uses Qualcomm’s Snapdragon 8 Elite Gen 2 processor as Samsung delays its Exynos 2600 deployment.
  • Reports indicate all three S26 variants will be slightly thinner than their S25 predecessors and will rely on conventional Li-ion cells rather than silicon-carbon battery technology.
  • Samsung has not yet finalized official specifications or a January 2026 launch date, leaving camera upgrades and chipset allocation subject to confirmation.