CNET reporter Eric Franklin spent his weekend torture-testing the battery of the new iPad, the iPad 2 and the Android-powered Asus Transformer Prime. He took each device, charged it fully and then drained its juice by continually playing a move. All these tests were conducted in airplane mode so WiFi, 4G or LTE connectivity would not affect these results.
He discovered that the iPad 2 with iOS 5.1 lasted the longest at 14.2 hours, while the new iPad with its 42.5-watt-hour battery lasted 12.8 hours. The latest version of iOS helps the iPad 2 as the iOS 4.3 version only squeezed out 11.9 hours. The Transformer Prime came in last 9.6 ho
