Celio 3800mAh iPhone 6 External is fantastic as a short road trip battery. It's bigger than I want to carry when flying but is perfect for charging. Right now Celio has their Celio 3800mAh iPhone 6 External Battery Backup Charging Bank Power Case Cover (Red) for cheap price. You'll just need to visit the site.
Power, protection, style and purpose. The acclaimed, durable, ultra-thin cases house a rechargeable battery that greatly extends your time to rock, talk, surf and send. It¡¯s strong enough to guard your smartphone from every-day wear and tear, yet sleek enough to slip in-and-out of your pocket. A built-in standby switch allows you to choose when you want to use the juice pack battery, or save some power for when you really need it. Charge anywhere, by flipping a switch. Use the LED indicator to check battery levels before you head out and flip the standby switch when you¡¯re ready to use the juice pack¡¯s battery or when you need to recharge your iPhone while on-the-go. You can also simultaneously charge your iPhone 6. Technically a battery. Technically a case. Ergonomic, form-fitting, and ultra-impact-resistant cases, that provide complete protection from top to bottom, - all while featuring rechargeable lithium polymer batteries. With a variety of juice packs to fit any lifestyle you no longer need to choose between protection and power. Suitable for: Apple iPhone 6