Without running them through our suite of battery tests, all we have to go with is the each manufacturer's promise of 20 + hours of longevity. (digitaltrends.com)
We run all smartphone battery tests with the display set to 100 percent brightness. (iphonehacks.com)
I'm not going to sit around running battery tests to confirm, but I will say the difference is definitely noticeable. (blog.the-ebook-reader.com)