The iPhone 3G and 3GS offer decent battery life. However, just for the chatterboxes, Super Chargers iPhone 3G/ 3GS battery extender has been introduced that offers up to 8.5 hours of talktime and around 500 hours of standby time.
According to Techfresh, the 3000mAh battery offers about 8.5 hours of Internet usage time. Further, for the music enthusiasts the battery provides 40 hours of audio playback as well as up to 11 hours of video playback. Reportedly, it offers around 10 hours of Wi-Fi utility.
The dimensions of the battery extender are likely to be 11.5cm x 6.6cm x 2.4cm and it weighs around 105 grams. It also incorporates LED indicators which reveal the charging status of iPhone. Apparently, the top LED shows red light if charging is in process and green when the iPhone is fully charged. If the LED turns yellow when connected to the iPhone, it suggests that the backup battery needs to be recharged. However, the bottom battery displays the status of the backup battery. The Super Charger battery extender seems to be an ideal device for those who are frequently on the move.
The Super Chargers iPhone 3G/3GS battery extender comes with a price tag of $59.99.