Amazon offers the popular and 4.2/5 star rated Kmashi 10,000mAh USB battery for $9.39 Prime Shipped after $4.60 coupon code JAK3JCUV at checkout. That’s the lowest price we’ve seen on a 10,000mAh battery. This one includes a 2.1A port for fast charging and 4 LED battery level indicator. Features:
- 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 (5V / 3.1A total) 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.