Samsung made the Galaxy S25 Edge extremely thin at 5.8mm but had to make tough choices. The phone lacks a zoom camera and uses a smaller 3,900mAh battery compared to other phones. Blake Gaiser from Samsung America explained that smart AI software helps the phone use power better. The company decided regular lithium-ion batteries work fine for this device. Samsung thinks the AI features make up for the smaller battery size.
Chinese phone makers already use silicon-carbon batteries that hold more power. Samsung tested this technology but chose not to use it for the S25 Edge. Gaiser said the new processor and AI features improve battery performance enough. The company believes traditional batteries suit this particular phone model...