(tips sold separately)

You can use the Kensington AC/AC adapter both power and charge your Macbook / MBP / MBA Anywhere! And when your nowhere near power you can use the external battery to keep you running for up to 10 +/- hrs! Oh, by the way, the external battery WILL charge your internal Macbook / MBP battery. No worries getting caught with a dead internal battery if you need to be truly detached!

The 130w N-Charge Power System
The N-Charge Power System is a revolutionary, rechargeable battery system featuring Valence's breakthrough Saphion Technology. This stand-alone tool provides easy-to-use, anytime, anywhere power for a wide variety of portable electronic devices. The N-Charge Power System allows you to charge your notebook computer and handheld electronic device simultaneously! The N-Charge Power System's exceptional run time eliminates the need to carry a second notebook battery and frees up that device bay for use with other accessories such as DVD drives. The N-Charge Power System's built-in multi-device capability lets you leave all of those cumbersome, individual handheld device and phone adapters behind. The sleek, ultra-thin N-Charge Power System slides conveniently into a briefcase or computer bag for effortless portability.

All Your Mobile Power Needs in one Slim Package
Packed with 120 watts of power, the Kensington Notebook AC/DC Power Adapter uses patented technology to deliver all the power you need in a size that is 40% smaller and lighter than other power supplies. With its AC and DC power options, you always have the right adapter--whether in the office, on the road, or in the air. The Kensington Notebook AC/DC 120w Power Adapter is the ideal replacement for your existing power supply. It is designed to provide reliable power for today's larger, high-performance notebooks as well as other small mobile electronics such as iPods, cell phones, DVD players, and PDAs.

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