Battery for iPhone 3G, 3G S
List Price: $49.99
You Save: $17.52 (35%)
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.
Product Dimensions: 5 x 6 x 7 inches ; 10.7 ounces