mobile chargers in our day, but the Xantrex PowerSource Mobile 100 claims to be the first to power multiple devices simultaneously at different voltage and power levels. The $130 unit includes a pair of USB ports and an AC plug, making it a quite convenient way to power your phone, iPod and laptop all at once. Xantrex promises plenty of power, too: 2 hours for laptops, 12 hours for portable game systems, and a spankin' 72 hours for the iPod nano. Of course, the lithium-ion based PowerSource is a decent bit heftier than a spare laptop or phone battery, but if gadget diversity is your game it doesn't seem you can go far wrong here.
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