Smartphones got better in many ways this past year. They're taking better photos, as you can see in our various 200-photo face-offs between the best camera phones. They're delivering more performance muscle, which comes in especially handy when you go to play graphically demanding games on the latest phones. And more devices are coming with AI-powered features, with a lot of that advanced processing happening solely on the phone for faster turnaround and enhanced privacy.
And yet, very little of this would be possible if your phones weren't lasting longer on a charge.
