Tmvel 5600mAh Backup External Battery Pack Charger with built-in Flashlight for Apple: iPhone, iPod, iPads, Samsung Galaxy, Htc, Nokia and various other smartphones High Capacity, 5600mAh; 2-3 full charges or add 22 hours talk time to your iPhone 4S / 4G / 3GS; 1-2 charges for Samsung Galaxy S III, 200 hours + audio playback, or 200% - 300% to the battery life of most mobile phones Compact, portable & stylish design; Easily fits into your bag to provide instant power; PERFECT for long plane flights, road trips, or whenever you need to charge your mobile devices wherever you are. Convenient flashlight updated to prevent accidental activation: lights only after pressing the power button for 2 seconds; 4 LED indicators reveal the battery level; Input: DC 5V 1A, Tmvel charges via standard USB or AC adapter (not included); Output: DC USB 5V 1A