The Week in iOS Accessories: Charge!
The $50 ET-NP056K-BL portable battery pack can recharge both your iPhone and iPad. It comes in five different “eye-catching” colors, and it includes an LED flashlight and battery indicator to let you know when your iOS device is fully charged.
http://www.macworld.com/article/2043906/the-week-in-ios-accessories-charge.html#tk.rss_all