Enjoy high-quality backup power for your iPod, iPhone, cell phone and other portable devices with this Diamond DP1500 Mobile Power Source! The DP1500 boasts an Li-Polymer battery with a 1500 mAh capacity and an input and output voltage of 5 volts! The battery recharges via standard USB port that stores underneath the battery pack when not in use! Plus, it comes with a retractable USB cable and adapters to power your iPhone, iPod, BlackBerry cell phone and other compatible USB devices.Never run out of power when you're on the go. Get your Diamond DP1500 Mobile Power Source today!