Highlights:
As iPhone 3G is using internal battery, a secondary / backup battery not as convininent as other mobilepone does. 

There are some external batteries in the market, but they are either too bulky.

Some people try to make a case + battery, however, when you need to Sync your iPhone with your PC / Mac, you still need to take your iPhone out because you cannot sync your iPhone 3G thru an external battery.

Here we have a solution for you!  It is a 3-in-1 External Rechargeable Battery for iPhone 3G (Rechargeable battery, Mobile Power and Protective case)

With this item, you can "wear" this battery on your iPhone 3G, you can sync your iPhone 3G with your PC / Mac even the battery is on.

With this External battery, you are no longer to hassle with the external battery and the synchronization.

Features:
- As a juice pack; provide extra battery life for iPhone 3G
- Access to all ports of your iPhone 3G (Except the silence switch)
- As a protective case to your iPhone 3G
- Perfect integration, almost no seams, no longer bulky
- To Sync with your PC / Mac even when the battery is on
- No need to take off the battery even you need to Sync your iPhone 3G
- To control when to charge (see note below)
- Sleek surface
- LED Power Indicator

Specifications:
- Input Voltage: DC 5V
- Output Voltage DC5V
- Output Current 700mA
- Battery Voltage / Capacity 3.7V / 1900mAh
- Product Size: 128x66x20mm

This accessory is compatible with:
- iPhone 3G
- iPhone 3GS

Package Contents:
- 3-in-1 External Rechargeable Battery for iPhone 3G (as showing in the last picture above) x 1

Packaging:
- Box

Note:
- When the battery is with the case, the LED will be always on (blue).  When the battery is being charging, it will be in Red.
- You may be NOT able to access the slience switch (turn the ringer off or On)
- The current shipping version does not have a Sync Control Button.

Tips for charging your iPhone:
- Having the battery on the FRAME, if there is still power inside the battery, the POWER INDICATOR will be on (BLUE)
- Turn the  Charge  Button to ON 

REVIEWS:

newgadgets.de
iphoneapps.es
iphon.fr
jon4lakers.com
gadgetblog.it

tag: Q-power  fc5-01 iPhon, ifon