i.Sound Universal Powerflash Backup Battery for iPhone, iPod, and most USB devices - 750 mAh

• For iPhone, iPod, smartphones, MP3 players, digital cameras and most USB powered devices
• Power indicator LED
• Includes 3 foot USB to Mini USB cable
• Built in flashlight
• 750 mAh

I bought it to charge my HTC Inspire, knowing it might not work due to the high power requirements. It will provide about a 30% charge. Since it did not work that well we used it with my wife's iPhone 3Gs. It worked a little better, with about a 50% charge. I will keep it around as an emergency backup to my emergency backup (that I am still shopping for).

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