The Samsung Galaxy S25 series is almost here, but reports suggest their batteries won’t be any bigger than last year’s phones. So, if you’re hoping for improved battery life, you might want to wait for the Samsung Galaxy S26 series, which could have much bigger batteries.

Samsung may finally start embracing silicon-carbon batteries in smartphones with next year's Galaxy S26 series.

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.

Consumer electronics devices have been using lithium-ion (Li-ion) batteries for well over a decade now. Very recently, Chinese smartphone makers have switched to a new battery tech: silicon-carbon anode battery.

Samsung is developing stacked battery tech for smartphones, and the iPhone 18 and Galaxy S26 could be the first beneficiaries.

After years of being stuck with more classic technologies, the battery industry is taking big steps forward. Experimentation with new materials has led to new cell types with multiple benefits. Although the Galaxy S25 series will not bring great advances in this section,