Samsung is developing their new flag ship, the Galaxy S27 Ultra. Rumors suggest that they have already started testing the phone. Battery life seems to be an important issue when developing the Galaxy S Ultra range of smartphones.

Samsung has always been using 5000mAh battery in their S20 Ultra phones through S26 Ultra launched last year. It is true that Samsung has always provided this range of smartphones with relatively small battery capacity. Recently, rumors have been circulating regarding the possible upgrade in the battery. This is because this phone directly competes with the Pro Max range of smartphones by Apple.

GizmoChina, citing leaker Phonefuturist, claims that Samsung has begun testing the upcoming S27 Ultra with a larger battery. The company is testing the phone with two battery packs: 5,600mAh and 5,800mAh. Previously, there was considerable buzz about a 5,200mAh version.

The company is testing standard lithium-ion batteries in the upcoming smartphone instead of the new silicon-carbon technology. Samsung is currently relying on reliable technology rather than new materials for its flagship smartphone. This will not significantly impact the device's safety or price.

Samsung's S27 Ultra smartphone is still a few months away from launch, so details regarding its specifications are unclear. If everything goes well during testing, it's possible that the phone could launch with a 5,500mAh battery. However, no details have been revealed by the company yet. Along with this, it is expected that upgrades can also be seen in the privacy display and camera island design in the new phone.