Which? Tech Daily, the UK-based technology blog which recently pointed out how much storage space our 16GB smartphones really have, has carried out a series of tests in their lab to find out which tablet offers the best battery life.
They measured how long the battery in each of the device lasts when browsing the internet and watching video. Which? explains how they tested the battery life:
Each time we test a tablet we check the battery life for web browsing over wi-fi, with 3G (if applicable) and for video playback. To ensure parity across products we set their screen brightness to 200 nits (a reasonable daytime brightness level) using a light meter. We’ll also test how long the battery takes to fully recharge.In the internet browsing test, iPad Air’s battery lasted for 658 minutes, which is nearly 11 hours. The Retina iPad mini came in second place, its battery lasted for 614 minutes (just over 10 hours). Surprisingly, the iPad 2, which was launched in 2011, took the third place. Its battery lasted for 590 minutes (almost 10 hours). Galaxy Note 10.1 lasted for only 483 minutes (8 hours), Kindle Fire HDX 8.9 lasted for 481 minutes (8 hours) and Google Nexus 7 lasted for only 416 minutes (less than 7 hours).
In the video test, iPad Air again took the top honors. iPad Air’s battery lasted for 777 minutes (almost 13 hours). Amazon Kindle Fire HDX 8.9 came in second, it lasted for 714 minutes (almost 12 hours), followed by Google Nexus 7, which lasted for 669 minutes (just over 11 hours). iPad 2 and Retina iPad mini came in next with 660 minutes (11 hours) and 604 minutes (just over 10 hours respectively). Galaxy Note 10.1 (2014 Edition) came last, its battery lasted for only 465 minutes (less than 8 hours).
[via Which? Tech Daily]
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