Earlier this year MMi reader Brian3dee commented that the iPad 2s with an improved 32nm A5 processor would run cooler and have “slightly better battery life.”

You good sir have the honor of “calling it.”

AndandTech put the slightly upgraded $399 iPad 2s through the battery test gamut and found the unit to be superior to the original iPad 2 and the new iPad in every aspect. The upgraded iPad 2 saw an 15% increase in battery life over the original iPad 2 in the web browsing battery life test lasting 11.7 hours. The original iPad 2 lasted 10.1 hours and the new iPad only lasted 9.28 hours.

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Electrochemical capacitors, commonly called supercapacitors, have recently gained some attention as potential battery replacements.

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A wireless computer mouse frees you from tangling wires but the major downside is it requires battery replacement that burns your pocket. How you wish you could have a wireless mouse that you’d never have to bother with its battery.

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