Samsung faces space problems inside the Galaxy S26 Ultra because the phone needs room for the S Pen stylus. The company could use new silicon-carbon battery tech to help solve this problem. Recent rumors say the final phone might keep the same 5,000mAh battery size as current models. Fast charging may stay at 45W instead of getting faster speeds. The battery capacity might reach under 5,400mAh but Samsung could stick with smaller batteries.
Chinese phone makers beat Samsung with bigger batteries and faster charging speeds. The Galaxy S25 Edge missed chances to use better battery technology because Samsung wanted to focus on AI software improvements. Samsung executives said smart software can make phones run longer without bigger batteries. Hardware limits will eventually stop software from making phones last longer. Silicon-carbon batteries could have given the Galaxy S26 Ultra a huge 7,000mAh battery and still left space for the S Pen.
Chinese phone makers beat Samsung with bigger batteries and faster charging speeds. The Galaxy S25 Edge missed chances to use better battery technology because Samsung wanted to focus on AI software improvements. Samsung executives said smart software can make phones run longer without bigger batteries. Hardware limits will eventually stop software from making phones last longer. Silicon-carbon batteries could have given the Galaxy S26 Ultra a huge 7,000mAh battery and still left space for the S Pen.