===== Battery ===== // **UPDATE 29th March 2010: After finding out the increased costs of the higher weight balloons it is now unlikely I will be using the 12v battery below and will instead go for 6 x AA Energizer Lithium's to save weight.**// 12.6v 9800mAh Lithium-Ion Battery {{http://lh4.ggpht.com/_-icIdqOL4DM/S6uc89SF5KI/AAAAAAAAAPM/FPI4vsXo0bE/s912/IMG_0680.jpg?600}} {{http://lh5.ggpht.com/_-icIdqOL4DM/S6uc8zBuUuI/AAAAAAAAAPQ/TcSwpNo7ZlA/s1152/IMG_0681.jpg?600}}