SOONHUA 12000mAh Power Bank External Battery Multi-Voltage USB Port Portable Backup Charger for iPad Air Mini Laptop iPhone 6 Plus 5S Samsung Galaxy S5 S6 (Silver) 12000mAh Portable Backup External Battery Charger USB Power Bank for PC iPad Cell Phone Portable external power bank charger Repeatedly use of a single charge, portable design, convenient to carry Energy efficiency 10% above the previous generation and many other brands maximizes usable power Recharges very fast Charging the battery through Micro USB port (Micro USB charging cable included) Provide the charging power supply for two devices through two USB output port at the same time