A new portable iPhone charger has been released dubbed as Octopus iPhone battery charger. It is called Octopus charger because it has eight suction cups so it could stick itself onto the back of the device you are charging. This gadget is really handy because it can give your iPhone 50% power while you are away from a power outlet. Charging the built-in battery via USB cable requires 3 hours and charging the phone requires around 3 hours. It can give our device a talk time up to 4 hours and stand-by time up to 240 hours. The Octopus portable charger priced at around £19 or $29.