It’s been long enough that people of forgotten what’s it’s like. Cameras still have replaceable batteries, there are several benefits: I can have two (or more) batteries, if it runs out I just change it. I don’t need walk around with a USB battery pack and cable hanging off the device preventing me from using it properly. I can put the battery on charge somewhere and leave it, even if not completely secure, because j…
Phones don't have removable batteries mostly because of the desire to make the device as thin as possible. The battery is just a delicate, flexible pouch that can easily be damaged and catch fire if removed from the phone and carried around. To make it safe, you'd need to add a hard shell, which would probably make the device 2 mm thicker or so. As to why we want to make phones as thin as possible... I don't know, bu…
Fairphone 6, recent with replaceable battery: 9.6 mm
Galaxy S5, has a replaceable battery, released _12 years ago_ - battery tech has improved a lot since then: 8.1 mm
iPhone 17 Pro Max: 8.8 mm
iPhone 12 Pro Max: 7.4 mm
We want to make phones as thin as possible so the latest flagship iPhone is 1.4 mm thicker than the one from 5 years ago? A whole 0.8 mm thinner than a recent one with a replaceable battery with maybe 0.1% of the iPhone's R&D budget, and 0.8 mm thicker than one with a replaceable battery made 12 years ago?