iGo's powerXtender+ is an imperfect but handy insurance policy against dead cell phones, iPods, digital cameras, and most other low-power gadgets. Load four AA batteries into the 4.5 x 2.2 x 1-inch case and clip on the device-specific connector tip ($9.99 each) to get an extra 8 to 45 hours of power, depending on the gadget.



Link: Laptop MAg