If you're in any way like me, traveling with a multitude of battery-powered devices, cell phone, portable digital music player, noise reduction head phones, a GPS navigation device, and a laptop, you dread when you hear the "beep, beep" telling you that you're almost out of juice. Now you can address this issue with the Tumi Mobile Power Pack; portable power in your pocket. This essential device charges in a standard wall socket, then travels with you carrying enough power to recharge your phone up to five times — or jump-start MP3 players, PDAs and other electronic devices. It comes with a power pack, retractable cord, eight tips for different devices, tip carrying pouch, AC wall plug charger and operating manual. It measures 4-7/8" x 1-3/5" x 1" and comes with a two-year warranty, all for about $135. Essential gear for the road warrior who is always on the go.