A large 3.5 inch touchscreen, 3G and lightweight are the perfect ingredients for a poor battery life. Sanwa Japan has introduced the 400-BT001 a rechargeable battery which gives the iPhone-3G an additional 3.5 hours of talktime, 7 hours of video playback and 36 hours of audio playback. The 1,200mAh Lithium Ion battery comes with a retractable USB cable and a LED which indicates remaining battery life. The battery is connected to the dock connector of iPhone 3G and thus battery life is extended.
The Sanwa 400-BT001 rechargeable battery measures 46×72×13mm and weighs 50 grams. The Sanwa rechargeable battery for iPhone 3G will be available for approximately 4,980 yen ($46), by end of July in Japan.
Via-Newlaunches
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