This wearable and USB rechargeable battery back is for geeks on the go. Packing 1,500 mAh of li-ion power, this wrist strap includes connectors for most popular brands of cell phones and portable electronics. Comes complete with 7 different power connectors and is rated for 3 hours talk time or 8 hours mp3 usage.

Wrist Band Portable Battery – $24.84 (available March 2009)

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