Give Your Macbook Up to 4 Hours of Extra Run Time, No Extra Cables Needed KEY FEATURESLong flight? Long day? ChugPlug makes sure your Macbook stays conveniently charged when no outlet is in sight. Chugplug is praised for giving a consistent 3-4 hours of charge--it's the reliable external battery you can count on every time. iLounge Best of Show 2014 TPN Innovator Pick Award … [Read more...] about ChugPlug Portable Macbook Power Pack for $59