The Mobile Edge UrgentPower is a universal smartphone battery for backup power when you need it most. A USB charging cable, Apple 30-pin connector, Micro USB & Mini USB connectors are included, making it compatible with most smart phones, e-Readers, Tablets/iPads and iPods. Simply connect the charged UrgentPower to your mobile device and it will provide additional hours of run time. The UrgentPower can be easily recharged from the USB port on a laptop or any USB AC power source. Convenient to stash in a case or pocket, the UrgentPower is easy to carry with you.