With the CHUGPLUG external battery, you won’t have to worry about running out of power while you’re traveling. The CHUGPLUG is designed to work with 45W or 60W newer MacBooks. You can expect up to 4 extra hours of power for an 11″ MacBook Air or 3 extra hours for the 13″ MacBook Air or MacBook Pro. It measures 9″ X 2.9″ X 1.1″ and weighs 1.1 pounds. It accepts 100-240VAC 1.2A / 50-60Hz AC power and outputs 120-250V DC power. You just fit it between your MacBook’s MagSafe power adapter and its power cord to charge its internal lithium-polymer battery (takes about 2 hours) or to power the laptop. It’s coming soon from Lenmar Enterprises for $159.99.
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