Galaxy S26 series may get improved battery protection tech, theoretically allowing larger capacity and faster charging

When it comes to battery capacities in flagship phones, Samsung is far behind its Chinese competitors. Companies like OnePlus and Vivo have implemented new battery technologies to enable 6,000+ mAh and while the next generation of the Galaxy S series phones may not be getting this new tech, they could get some other battery protection related upgrades.

According to a report by Korean publication The Elec (machine translated to English), Samsung is working with South Korea’s ITM Semiconductor Co. to improve battery longevity on its Galaxy S26 series. The entry-level Galaxy S26 will reportedly get improved battery protection circuits that have been developed using EMC or epoxy molding compound. This will not only prevent battery overcharging or rapid discharging, it will also improve heat dissipation.

Furthermore, these EMC-based protective circuits are smaller in size which would theoretically allow for larger batteries inside the Galaxy S26 series. Whether or not Samsung intends to increase the battery size in the next generation flagship phones, remains to be seen. Notably, the Galaxy S26 Ultra is said to come with a 5,400 mAh or 5,500 mAh (depending on how it is marketed) battery which would be a 10% increase over the current gen Galaxy S25 Ultra.

The company is also expected to use stainless steel or SUS CAN battery housing for the new phones that would enable relatively higher capacities.

The Chinese smartphone manufactures have switched to Silicon Carbon batteries for their flagship phones. This technology can be seen in the OnePlus 13 (Buy on Amazon) that houses a dual-cell 6,000 mAh battery, which can charge at up to 100W. Samsung, on the other hand, currently offers up to 45W wired charging on its Galaxy S25 Ultra (Buy on Amazon), but could upgrade the Galaxy S26 Ultra with up to 65W wired charging.