Power Bank, Vinsic Tulip 6000mah External Battery Pack, 5V 2.1A Power Bank USB Charger for iPhone 6 Plus/6/5S/5/4S, iPad, Samsung Devices, Htc, Motorola, Cell Phones, Tablet Pcs (Silver) External Battery Charger, made of high quality aluminum alloy with anodized processing, comfortable to the touch. Built-in 4 LED indicators to show the charging status and battery level, safe and reliable. Uses 2 high-quality Samsung 18650 Lithium Ion Battery Cell Inside,6000mAh external mobile battery power bank. Uses a 5V 1.5A adapter for fastest charging time, much faster than general 1A input, solves the low power problem immediately. Compact size and lightweight, design for use on the go and in home. Compatible with iPhone, iPad, iPod, Samsung Devices, Cell Phones, Tablet PCs, etc. Designed with a 5V 2.1A output USB port, universal fits most digital devices.