HyperJuice External Battery 150Wh for iPad/iPad 2 & MacBooks (MBP-150)
Apple MagSafe Airline Adapter is NOT included but REQUIRED (Sold only at Apple Store or Apple Web Site) or Magic box modification kit is required and sold separately.  Important notes: Using the MagSafe Airline Adapter provides power for your computer but does not charge the battery. The MagSafe Airline Adapter is not compatible with automobile power ports. Using the MagSafe Airline Adapter provides power for your computer but does not charge the battery.