How to maximize battery life when you travel
Admit it: Your carry-on bag is stuffed with digital gear that you can’t bear to leave at home. Your iPhone, iPad, or MacBook will keep you entertained while en route, and it’ll make a great navigation, research, and photo tool when you reach your destination. But keeping these devices charged when you’re constantly on the go or stuck in the air can be a challenge. Luckily, you can do a few things to extend battery life and conserve power.
Invest in a battery case
A battery case for your iPhone extends the phone's battery life and keeps it safe from occasional drops and bumps. Most battery cases come with dock-connector plugs designed to pair up with the iPhone’s 30-pin (iPhone 4S and older) or Lightning (iPhone 5) connector port, which they use to deliver the juice to your iPhone. The only downside is that you can't use any dock-cradle accessories without removing the iPhone from the case.
Mophie's Juice Pack Plus for the iPhone 4/4S.
One of our favorite battery charging cases is the Mophie Juice Pack Plus for the iPhone 4/4S ($100). It almost doubles your iPhone’s battery life without add too much weight, and you can still sync your iPhone using the included USB-to-Micro-USB cable. The Juice Pack Plus also has an on/off switch, so you can control when the case sends electricity to your phone.
Although the company promises one soon, Mophie has yet to release a battery case for the iPhone 5. uNu’s Ecopack for the iPhone 5 ($80), however, is a good option to use now with the latest iPhone. This battery case snaps onto your iPhone and doubles its battery life. The Ecopack comes in a variety of colors, and it purports to be eco-friendly because you can swap the battery portion of the device between cases, enabling the battery to last through several phone upgrades.
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