Although theGalaxy S25 seriesjust released, this rumor about theGalaxy S26 seriesmight make it worth skipping altogether, especially if you still have an S23 or S24.

According to South Korean news siteFNNews, Samsung is considering switching tosilicon carbon batteriesfor the Galaxy S26 series. This could result in a significant leap in battery life, with capacities between 6,000mAh and 7,000mAh. Considering theGalaxy S25has a 4,000mAh battery, and theGalaxy S25 Ultrahas a 5,000mAh battery, this would be a massive improvement.

Samsung Galaxy S25 Ultra render

Samsung Galaxy S25 Ultra

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What are silicon carbon batteries?

A more powerful and efficient battery

Silicon-carbon batteries are made by removing graphite from the anode of a lithium-ion battery and introducing the compound silicon carbide instead. The advantage silicon carbide has over graphite or regular silicon is that it can handle more power and higher voltages, resulting in a more powerful and efficient battery.

This technology has already been used in smartphones, such as theOppo Find X8and the Red Magic Pro 10, but not in any handset by Samsung, Apple or Google. Samsung isreportedly concernedabout the lifespan of silicon carbon batteries and wants to ensure proper testing and improvements are made before implementing the technology and shipping it globally with a new smartphone.

Samsung’s Galaxy S24 Ultra in hand against a field of flowers.

Since the battery life didn’t change on the S25 series this year, I’m optimistic Samsung will improve it on the Galaxy S26 series. Silicon carbon batteries sound promising thanks to its efficiency and larger capacity, which could prove necessary if more power-hungryAI featuresare in the works.

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Galaxy S25 USB-C port

An iPhone against a purple background.

Samsung