Amazon is offering the 8400mAh External Battery Pack Charger Power Bank (Both 2.1A and 1A USB Outputs and Avail. in 4 Colors) for only $12.99 + $5 Shipping. Like most purchases at Amazon, Prime Members don’t have the shipping charge. Also, if your combined order is more than $25 there is no shipping charges as well. The external battery pack features both a 2.1A and 1A USB output and it charges via micro-USB.
Increases typical smartphone’s battery life by 300-400%
Package includes: External Battery and connectors for most phones
Compact design makes it convenient
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