Need a portable charging device to power your devices on-the-go? JAVOedge's Pocket Portable Battery is designed for users who need a convenient charging solution. The Pocket Portable Battery showcases a slim, light-weight design to make it a compact travel solution for emergency charges. Avoid running of power with JAVOedge's Pocket Portable Battery, a convenient, travel-sized solution for users who face such dilemmas.The Pocket Portable Battery comes with an included USB cable to connect your device for charging. This universal power pack will charge or supplement USB powered or chargeable devices, including iPods, iPhone 3G, Sony PSP, cell phones, smartphones and PDAs. Check the hardware specifications below for device compatibility. Capacity: 2100mAH Battery Type: Lithium-ion Cell Input Voltage: 5.5V Output Voltage: DC 5.0V Output Current: 700mA max. Charge Time: 5 hours Cycle Life: At least 300 times Dimensions: 100 x 62 x 10 mm (3.9 x 2.4 x .4 inches) Weight: 3 oz (0.19 LB) USER INFO To CHARGE PDA, Smartphone, Mp3, PSP device: Plug any OEM USB cable compatible to the device to OUT port (may be used with OEM USB cable that came with device or may be purchase separately through JAVOedge..see JAVOSync Cables; or if your device is compatible with Mini USB cable provided that can be used) Once device is connected to the Portable Battery Pack, press button to start charging. (Button locate above and between OUT and IN port) Red Light= charging device Blue Light = charging completed Charging time: varies; it is dependent on your device Portable Battery Charging Capabilities: Charge device up to at least 2 times before battery pack needs recharging. Depending on device, could possibly go up to 5 times before recharging. To RECHARGE Pocket Portable Battery Charger: Plug mini USB Cable (white cable) to IN port and connect the other end to one of the connect the other end to one of the following to recharge by USB port to PC/MAC.