Amazon offers KMASHI 10000mAh MP816 Dual USB Portable External Extended Battery Pack Power Bank Backup Charger for $9.20 w/code NK8R75ON
10000mAh Power Bank :Smooth varnish allows you to power up in style, while 4 status LEDs keep you informed of remaining capacity.
Ultra-high density battery cells make this compact 10000mAh external battery. Use a 5V adapter (not included) for fastest charging.
Super-fast charge output through dual USB ports (5V / 2.1A and 5V / 1A) allow for simultaneous charging of your iPad, iPhone, Android, and more at high speed.Input: 5V/ 2A.About 6.5 hours fast charging.
Intelligent power manage IC, overcharge protection, short circuit protection.With such massive capacity, in such a compact package,perfect for flights, road trips or just any time you're away from an outlet.
Package includes: 10000mAh 2A input Fast Charger External Battery,1 Micro USB charger cable(iPhone/Samsung Galaxy S5 Note 3 cable not included),1 user manual.