8400mAh Large Capacity Dual USB port Power Bank Portable Battery Charger

Features：
1. 8400mAh power bank
2.Dual USB port
3.2.1A+1A Output
4.Longlasting with high quality battery cell
5.CE,ROHS FCC

Detailed features:
1. Built-in high-capacity li-ion polymer battery, 8400mah, to make sure 500 times above charging cycle
2. Two USB output socket, can also charge iPhone, iPad, mobile phones(like Nokia, Blackberry, Moto, Samsung, Sony Eriksson etc), digital products etc.
3. High standard safety protection design, including discharger, overload, short-circuit, lighting protection function
4. Intelligent hand control on-off switch to prevent power consumption