The battery capacity of the upcoming Samsung Galaxy S25 has been leaked, revealing a “same same, but different” scenario compared to its predecessor. According to a report by Galaxy Club, the S25 will retain the same 4,000mAh battery as the Galaxy S24.
The Galaxy S20 and S21 also featured 4,000mAh batteries, but the S22 saw a concerning dip to 3,700mAh. The S23 partially addressed this by bringing the capacity back up to 3,900mAh, and the S24 finally returned to 4,000mAh. Now, it seems the S25 will hold steady at that level.

While a 4,000mAh battery is decent, it’s important to consider the increasing demand placed on smartphone batteries. Processors are becoming more powerful, displays are getting brighter, and features like high refresh rates contribute to higher power consumption.
The upcoming Snapdragon 8 Gen 4 chip is said to have high power demands, with performance reportedly clocking at over 4GHz. Samsung will use an exclusive “Made for Galaxy” version of this chip in their upcoming S-series phone, which will have even higher clock speeds and require more power.
So a 4,000mAh battery might struggle to provide enough power to run the chip at its best. Conversely, there are rumors that Chinese brands are opting for bigger 6,000mAh batteries in their Snapdragon 8 Gen 4-powered flagships.
The latest detail of the Galaxy S25’s battery aligns with a previous report suggesting no improvements in battery capacity but suggested that the phone might have better battery life thanks to AI.

The phone will reportedly have an AI-powered battery-saving mode that will eliminate unnecessary background processes that drain system resources to increase battery life.
It’s important to remember that these are just leaks, and Samsung’s final specifications could differ. However, more and more leaks are now suggesting there will be no change in battery capacity.







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