Portable Charger 25000mAh External Battery Pack USB Power Bank for iPhone iPad Smartphone Tablet Camera PSP and More (Black) High Capacity: Charge you devices anytime anywhere without the fear of running out of power. Safely recharge with two 1 amp and 2.1 amp (Most phone only with 1 amp) Detect your device to provide excellent charging service. Automatic Identification System ensures charge your device at high speed. Dual Output: Available for two devices simultaneously. 2.1A port for iPad/Tablets, two 1A port for iPhone, android phone and other smart phones. Superior Quality: Built-in Multiple Intelligent Security System makes it safer and more reliable. Intelligent LED light: 4 integrated LED indicators to show power status, remind you in time to recharge and the charging time should be 13 hours.