Battery Voltage: 5V Feature: Double the battery life for iPhone, Blackberry, Smart Phones and other hand held electronic device Charge and powers Blackberryâ„¢, Droidâ„¢, Evoâ„¢, Smart Phones, cell phones and portable electronic devices with the included retractable USB to micro & USB to mini power cable. For iPhoneâ„¢, iPodâ„¢, and other phones use your existing USB cable Slim and lightweight the portable, PowerPort Slim provides on-the-go power so you can recharge your handheld electronic devices quickly & easily 5V, 2400 mAh Lithium Ion battery doubles the battery life and provides instant backup power to your portable electronic devices so you can stay connected Fully recharge the PowerPort Slim via any powered USB port using the included USB to USB mini power cable via any powered USB port, AC outlet or DC auto adapter Black rubberized rugged finish. L...