Capacity: 11000mAh with Reliable Li-ion battery cells, Supply about 600%~700% of iPhone 4 battery life, or 200%~250% of Google Nexus 7 battery life, or 200% of iPad mini / Kindle Fire HD battery life, or 400%-500% of Samsung Galaxy S3 battery life * Battery Type: High quality Li-ion battery; 500+ recharge cycles over the life of the battery * 5 x USB Output: 5V 0.6A ~ 2.1A, design for charging Phones and Tablets, Can charge 2 Tablets or 5 Smart Phones simultaneously at most. 4 Integrated LED Power status indicator lets you know exactly how much power is left * Multiple security protection design: protection for overcharge, overvoltage, overcurrent, and short-circuit; The device will automatic shutdown when short circuit or overload output happened to avoid destroy the device and accident * Size: 3.70*3.15*1.10 inch, Stylish & portable design; A carrying bag for your convenience; 24/7 to provide instant power; PERFECT for long plane flights, road trips, or whenever you need to charge your mobile devices wherever you are