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Tech & Innovation·October 19, 2026·1 min read

How does the iPhone Duo’s battery compare to every iPhone since the iPhone 13?

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A 4,883 mAh pack in the Duo is Apple conceding that heavier AI and media workloads demand more headroom, not just efficiency tricks. If your app assumes “always-on” background intelligence, budget for users to care a lot more about battery tax than about your clever features.