✔12000 mAh external backup battery Li polymer batteries for your iPhone 3G,3GS,4G,4GS,iPod, iPad 1,iPad2 , mobile phones with Nokia, iPhone,Samsung mobile Phone, Meizu,Xiaomi,iPad, MP3, MP4, and other mobile phones and etc.
✔High efficiency of power conversion. Electricity-saving function. Portable, practical and long cycle life.
✔Safe and reliable, perfect for using on travelling and outdoor activities.
✔Ultra thin metal hard shell, Easy to take and charge conveniently.