I don’t buy Samsung’s excuse for not using a silicon-carbon battery in the S25 Edge

Samsung reckons silicon-carbon batteries are an "emerging" technology, but many mobile brands have already adopted it.

Jun 19, 2025 - 15:01
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I don’t buy Samsung’s excuse for not using a silicon-carbon battery in the S25 Edge
Samsung Galaxy S25 Edge standing hero front
Credit: Ryan Haines / Android Authority

Samsung just launched the Galaxy S25 Edge, and it’s probably the most polarizing Galaxy phone in years. The new phone brings an impressively thin and light design along with a 6.7-inch display. It also has the S25 Ultra’s 200MP main camera.

Unfortunately, this thin and light phone comes with several compromises, such as no telephoto camera and 25W wired charging power. However, the 3,900mAh battery is the Galaxy S25 Edge’s biggest cutback. Samsung could have used a silicon-carbon battery, but it didn’t. And the company’s reasoning is questionable at best.