Product Features

• Pass-Through USB: Charge and sync your iPhone 3G & 3G S to iTunes without removing it from the iPower via the included USB cable
• Charging: You can use the included USB cable to charge the iPower and iPhone simultaneously or just charge the iPower.
• Intelligent Power Distribution: Smart Battery Technology instructs the iPhone to always drain out the iPower first. When you're done with the iPower, simply detach it and you still have a fully charged iPhone.
• Safety First: The iPower utilizes advanced rechargeable lithium-polymer battery cell technology for added safety. Built-in circuitry prevents the iPower from shorting
• LED Battery Status Indicator: The integrated LED status indicator tells you how much power is left in your iPower. Simply press the test button and it will tell you how much power is left.