Samsung took a unique approach to selling flagship smartphones with its Galaxy S25 Edge, its premium offering that tests the boundaries of how slim devices can get. As the majority of readers know, that decision came with a set of compromises. Fortunately, a tipster has shared that Samsung is now working on new battery materials to ensure that next year’s Galaxy S26 Edge will not just sport a bigger cell compared to its immediate predecessor, but it will also feature a slimmer chassis.
Rumor has not confirmed if Samsung will finally transition to silicon-carbon battery technology for the Galaxy S26 Edge
The Galaxy S25 Edge sports a thickness of just 5.8mm, and @UniverseIce has commented on his latest post on X that the Galaxy S26 Edge will take it one step further by featuring a thinner exterior. The tipster has not mentioned the exact dimensions, but we will probably stumble upon them in the coming weeks. The claim that caught our eye was that Samsung would incorporate a bigger battery in the Galaxy S26 Edge.
As mentioned above, the Korean giant would resort to using new battery materials to increase the capacity, but as you would expect, @UniverseIce failed to mention if the company will finally switch to silicon-carbon technology like a bevy of its Chinese competitors. For those who do not know, silicon-carbon batteries hold a higher capacity without going overboard with the thickness, allowing smartphones to deliver a higher runtime while maintaining adequate thinness.
Samsung has previously been reported to be exploring silicon-carbon technology, but there is no update on the company’s progress. When questioned why the Galaxy S25 Edge lacks this battery type, an executive responded that agentic AI improves the flagship’s efficiency, though he does mention that the firm is looking at other viable alternatives. To recap, the Galaxy S25 Edge ships with a 3,900mAh cell, and its sleek form factor prevents Samsung from adding more cameras at the back, which is why it only has two sensors instead of three.
With the Galaxy S26 Edge, we cannot confirm how many rear cameras will be a part of its configuration, but if Samsung can figure out a way to increase the battery size while making the device thinner, it should have little difficulty adding more sensors to augment the user experience.
News Source: @UniverseIce
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