iPhone users out there already know that the phone’s battery tends to run out pretty fast, and as such, external battery solutions are quite common. If you don’t want something that slips onto your iPhone like the Mophie Juice Pack, you could always try for the strangely named Octopus battery pack. This battery pack connects to your iPhone via the Dock Connector at the bottom, but is capable of being stuck to the back of the phone via the 8 suction cups built into it, ensuring that you won’t have a battery pack dangling from the bottom of your iPhone. The Octopus features a built-in 1,500mAh battery and will set you back $30.
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