TAOTRIBE via Amazon offers the Vinsic Tulip 3200mAh Power Bank on sale for $14.95 with free shipping on orders of $35+.

What makes this deal hot:
You save 63% off the prices! That's one of the cheapest 3200mAh Power Bank we could find.
 
Features:

• 3200mAh external mobile battery charger
• 5V 1A output USB port, universal fits for most smartphones
• Built-in 4 LED indicators to show the charging status and battery level