The powerful Octopus, with its eight suction cups, attaches to your phone securely and supplies hours of extra battery juice to your phone. And it seems amazing how a powerful device like the Octopus can be so small and slim. The Octopus: a perfect accessory for your iPod or iPhone. The supplementary battery pack sticks to the back of any Apple device with a 30 pin connector, adding four hours of additional talk time to the iPhone. And it's only $30.