For the 11-Inch and 13-Inch "Early 2015" MacBook Air models, Apple estimates 9-10 hours and 12 hours of battery life, respectively, and 10-12 hours of battery life for the 13-Inch "Early 2015" Retina Display MacBook Pro models. It also is worth noting that the Retina Display MacBook battery is glued to the housing and segmented, which makes end
Like the 2014 model -- which lasted 10 hours and 44 minutes on the Laptop Battery Test (Web surfing via Wi-Fi) -- the 2015 MacBook Pro with Retina exceeded Apple's estimates, lasting a superb 12
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