A slimmer phone means scaling back on some components, including the battery. The Galaxy S25 Edge has a 3,900 mAh battery, compared to 4,000 mAh on the baseline S25 and 4,900 mAh on the S25 Plus. Samsung says the S25 Edge's battery should last you all day, and in my experience so far, this has been true -- but don't expect any more than that.

No modern flagship is as thin as the S25 Edge - but that slender frame comes with sacrifices and a high cost. Samsung unveiled the Galaxy S25 Edge

I don't find that making a phone thinner makes it more appealing, in fact I have some serious issues with devices like the Galaxy S25 Edge and rumored iPhone Air 17.