Maycream Metal 5000mah Power Bank Ultra-slim External Battery Pack Protable Charger for Smartphones - Mazarine Blue Stylish, pocket-sized, ultra-compact design, small, but a fully functional, easy to carry power source. 4 Smart LEDs keep you informed of remaining capacity. Fast charge output (5V / 1A-2A max) through USB port (5V / 1A input) allow for charging of your iPad, iPhone, and more at high speed. Provides almost two full charges for an iPhone, and a one-plus charge for a Samsung Galaxy S4. Constructed using Grade A cell, and premium microchips, to ensure the highest quality and safety, and worry-free operation.