In fact, Samsung seems to be gearing up to launch another generation of its super-thin smartphone in the next year, namely the Samsung Galaxy S26 Edge. Samsung Galaxy S26 Edge Will See a Small Bump in Battery CapacityWhile brands are pursuing thinness in smartphones, the battery capacity is often sacrificed. That said, the Samsung Galaxy S26 Edge won't bring a big overhaul in its battery capacity. According to a new report, the next model is expected to feature a battery capacity increase to 4,200mAh. According to the report, Samsung will stick to the lithium-ion battery technology for the Galaxy S26 Edge.