Power to the iPhone
Every year, the newest iPhone isn't even out for more than a day before people start complaining about the battery life. If you're on the road for hours and away from your charger, here are a few products designed to boost your battery and keep that iPhone running as long as you are.
iPhoneck Backup Batteries for iPhone. These types of snap-on batteries may add a couple of inches onto the end of your iPhone, but they also add on several hours of power. Models are available in black or white, and you can even get a solar-powered version.($25-$43; www.iphoneck.com)
Mophie juice pack. It's an iPhone case! No, it's a backup battery! Wait, it's both. Mophie's form-fitting lithium polymer battery (housed in a soft-grip case) adds 6 hours of talk time and 6 hours of Internet time when you're on the go and connected to AT&T's high-speed 3G network. A pass-through USB port lets you charge and sync the iPhone without having to extract it, and you can also charge the phone and the case at the same time. You can find juice packs that fit all three generations of iPhones. A thinner, cheaper version called the juice pack air, made for the iPhone 3GS and 3G, tacks on 4.5 hours of talking and surfing goodness. ($80-$100; www.mophie.com)

DLO TransDock Micro for iPhone. If you spend a lot of time in the car, DLO's TransDock Micro lets you soothe your nerves with your own music on the ...
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