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*Price Drop* Yubi Power 2500mAh Ultra Compact Lipstick Size Portable Power Bank $ 7.99 FSSS Amazon

http://www.amazon.com/gp/product/B00CD972Y8

Stylish, mini, and light-weight design; Fits easily into any bag or pocket; Compact "Lipstick" Size
Capacity; Add 8 hours of talk time or one full charge to your iPhone 4 / 4S / 3G / 3GS; Add 80+ hours of audio playback or a full charge to the battery life of most mobile phone.
Grade A cell ensures high quality; LED indicator with two colors shows the current battery state