Galaxy S25 Ultra, featuring a 5,000mAh battery.
Should Realme truly intend to launch this device in stores shortly, it would raise concerns. Silicon-carbon batteries are intriguing, yet they bring along a unique array of safety issues, while batteries composed entirely of silicon pose even greater hazards.
One factor hindering broader adoption by companies amidst the advancements silicon-carbon batteries present — even the Galaxy S26 Ultra seems to be missing out on this groundbreaking technology — is not just regulations constraining the size of battery cells but also the rapid expansion rates of silicon batteries.