Duracell Powerpack 450

The Duracell Powerpack 450 is a stand-alone battery pack for AC, DC, and USB-powered electronics such as laptops, phones, GPS receivers, lamps, and small appliances. Capable of providing up to 450 watts of household power, the Duracell Powerpack 450 battery pack is easy to use and even features voice technology that instantly gives the user information on the expected runtime of a device the second it is plugged in. Plus, the Powerpack 450 battery pack offers on-demand status information and emergency step-by-stage instructions for tasks like jumpstarting a car. In fact, the Duracell Powerback 450 battery includes both jumper cables and a 150-PSI air compressor. The Duracell Powerpack 450 retails for $129.99 and comes with a 6 month warranty.