APC Universal Battery

The APC Universal Battery is one smart device as it has the ability to automatically sense the voltage of the connected laptop before getting to work. Features include a couple of USB ports that offer external power for a cell phone or iPod (fixed at the standard 5 volts). There will be two auto-sensing models available, with the UPB90 offering 90-watt hours for $225 while the UPB70 offers 70-watt hours for $135. 90-watt hours ought to last the conventional laptop approximately 8 hours or so, making this perfect to lug around if you're planning to sit in economy class while crossing the Atlantic.

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