JY-605 Smart power bank 20,000 mAh is Convenient and portable: 

The latest Punex Smart Power Bank has a stylish and simple design for everyday use, travel, camping or hiking, emergencies, commuters and families. Big Power: One of the slimmest and lightest portable chargers. Supports over-charged, over-discharged, over-voltage, over-current and short circuit protection. 

Perfectly protects your digital devices from charging accident. The stylish design allows you to carry it with you. Charge your mobile phone and other USB enabled devices in style with the this Mobile Smart Power Bank . The Multiple USB ports of this charging accessory enable quick recharging of ALL mobile devices and other Digital Devices. Enough power to keep you going for the weekend Safe.