That's still pretty impressive, given that the Razr is a foldable device, and those phones have traditionally struggled with battery life. The test numbers we use in the above chart reflect the ...

ZDNET's recommendations are based on many hours of testing, research, and comparison shopping ... view into how each option could fit into your life and workflow, and the pros and cons of their ...

It seems that everyone wants a smartphone with a great ... As you can in the chart below, battery size is obviously a major factor in battery life but it’s not the only factor.

Samsung is developing stacked battery tech for smartphones, and the iPhone 18 and Galaxy S26 could be the first beneficiaries.

When you compare the battery life of phones from the last three years to something like camera performance or new software capabilities, how your phone shoots and its software features have far ...