Apple has updated its iPad Tech Specs page to list the battery life of the iPad when using the 3G network. According to the company, the iPad Wi-Fi + 3G will get up to nine hours of battery life when surfing the web over the 3G data network. The page notes that the testing was done using dedicated web and mail servers, browsing snapshot versions of 20 popular web pages, and receiving mail once an hour. We will run comprehensive battery tests on the…
