Hyperjuice 60Wh External Battery for MacBooks/USB Devices - Silver (MBP1.5-060)
Worlds only external battery pack for Apple MacBooks. New version 1.5 now updated with higher power output to better support Retina MacBooks and 2 x 12W USB ports to quick charge 2 x iPad (or any 2 USB devices) at the fastest speed. Encased in silver color aluminum to match the MacBook.