We are about six months away from the S26 series launch (if Samsung’s past 2 years’ launch timeline is to be followed) and leaks have begun pouring in for the devices. The latest leaks tells us about the Galaxy S26 Ultra battery with regards to its capacity and energy density. Here’s everything to know about them.
Samsung Galaxy S26 Ultra Battery Details
Samsung Galaxy S26 Ultra battery size is expected to be the same as previous seven generations of Ultra flagships, and that is 5000mAh, according to a Galaxy Club report. Tipster IceUniverse backed the leak on X while also suggesting that Samsung has increased the battery density this time around, which means the battery size is substantially decreased.
This allows for more space within the device but Samsung hasn’t made use of it to add any new features. Instead, the leak says that the company may have used this advantage to make the device slimmer. Furthermore, the tipster added, “I also think that the charging power of the S26 Ultra has finally been substantially improved because they used new technology to reduce the temperature of the battery during charging.”
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However, the exact speeds weren’t mentioned. Samsung has stuck to 45W speeds for a few years now but seeing an increase in charging speeds at leat would be a welcome upgrade considering the battery size isn’t increasing even by a bit.
Samsung will also have to work on the optimisation part as other brands, especially those from China, are moving towards 7000mAh cells which drastically improves the runtimes. With a 5000mAh cell, Samsung definitely won’t be able to match the performance of a flagship from a Chinese brand but software optimisation would play a key role.
We should know more about the devices once we get closer to launch.