It's already been a banner year for battery life, with newly released devices like the OnePlus 13 and OnePlus 13R producing impressive results in our battery testing. And soon, the new Galaxy S25 models from Samsung will have their chance to show just how long they can last on a charge.

The iPhone 17 Air and Galaxy S25 Slim will be ultra-thin phones with smaller batteries - here's what it might mean for battery life.

Samsung is all set to unveil the Galaxy S25 series of smartphones on Jan. 22. As expected, the lineup will consist of three models: the Galaxy S25, Galaxy S25+, and Galaxy S25 Ultra. Reports suggest the lineup will also include another model dubbed the Galaxy S25 Slim,

A new rumor gives us an idea of what to expect for the batteries on Samsung's Galaxy S25 Slim and Apple's iPhone 17 Air.

Samsung, like Apple, is rumored to be working on a super-thin smartphone, and on Wednesday, OnLeaks and Smartprix published renders of a phone they call the Galaxy S25 Slim. The renders show a phone with a flat front,

New renders of the Galaxy S25 Slim gives us a glimpse to its design and size, courtesy of OnLeaks and SmartPrix.

Ahead of next week's Galaxy S25 launch, we're getting our first real glimpse of a slimmer fourth model from Samsung. Samsung's Galaxy S25 Slim is rumored to measure in at 6.4mm, while simultaneously offering near-identical specs compared to the rest of the S25 series.