Smartphone accessory manufacturer iWalk
has debuted the Extreme Series, backup batteries capable of charging all electronic devices, including smartphones, navigation units, cameras, Bluetooth headsets, and laptop computers. The Extreme 15000, the flagship model with 15,000mAh, comes with a micro USB and Apple cable. It also features eight different connectors for true universal compatibility and a variety of built-in safety components, including overcharge and short circuit protection. Eight other models are available to support a wide range of devices, with some color-customizable options. All Extreme Series batteries come with a one-year warranty and can be found at the iWalk
website, and select retailers for between $40 and $145.