MacBook Air 11-inch models running period up to 9 hours a day during the 13-inch model, charging and lasts up to 12 hours of incredible. When it is time to relax, you can play a movie in iTunes for a long time up to 9 hours for a full 11-inch model and up to 12 hours for the 13-inch model, and with long standby time up to 30 days, regardless of whether you go as long as a week. View more
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