The Mophie H2Pro is a battery case that's also waterproof. This combination makes it great for vacations when you might be away from a charger, and in a place where you could accidentally drop your phone in the water. The case gives an iPhone twice the battery life it would normally get. Price: $129.95 Buy it here.Zolt claims to be the world's smallest (and lightest) laptop charger, and it's also a highly capable one. The charger has an impressive 70 watt output to a laptop and two other devices — like a smartphone or tablet. It's perfect for getting serious work done when you are on the road. Price: $99.00 Buy it here. NomadKey makes use of something you always have with you — your keys. The USB charger looks like a key and goes wherever you do, ensuring that you'll be able to charge your phone even if your host has a different type of phone and charger than you do. Price: $24.95 Buy it here. XOO has built a portable phone charger that hides itself in a belt buckle. But perhaps XOO's best innovation is that the belts actually look good. You can pre-order now, and the belts are supposed to ship by the end of this month. Price: $249.00 Buy it here.Nomad's Roadtrip is a slick car charger that not only lets you charge your phone while driving, but also has a built-in portable battery. Just take the charger out of the car if you need a boost from the 3,000mAh battery pack on the go. Price: $59.99 Buy it here.Incipio's Ghost Qi is a sleek battery case that also lets you charge wirelessly. As soon as you put the case on any Qi wireless charging pad, your phone will begin to charge — no cables required. You can, of course, also use standard wired solutions. This case can almost double the battery life on your iPhone with its 2100mAh battery. Price: $99.00 Buy it here.Carrying a USB cable in your pocket can be much easier than carrying a whole charger. And the idea behind SnapPower's chargers is to make every power outlet automatically a USB charger. All you have to do is swap out the regular outlet plate for SnapPower's version. Your guests will thank you. Price: $20.00 Buy it here.