Samsung's latest batch of folding phones at Unpacked feature brand-new silicon-carbon batteries, which promise higher energy density, faster charging, and greater longevity.

Samsung’s latest foldables bring upgrades over last year’s models — including a new wider-screen device — but they also carry the industry’s favorite trend: higher prices.

There are three models for the first time in Samsung’s eight-gen foldable family, including the top-of-the-line Z Fold 8 Ultra.