Power Bank, Vinsic Tulip 3400mAh Power Bank, Smart Identification 5V 1.5A Output External Battery Charger Pack for iPhone, iPad, iPod, Samsung Devices, Cell Phones, Tablet PCs Power Bank : Full 3400mAh capacity allows you to charge your low power device quickly and effectively while on-the-go. Designed in compact and portable size, convenient to carry for traveling, business trip and outdoor activities. Built-in 5V/1.5A Smart Identification Output, which charging mode connects your device to maximize both compatibility and charging speed (up to 1.5 amps). This charging mode will be more efficient and secure. Built-in 5V/1.5A input also helps you to recharge the power bank fast. It supports over-charged, over-discharged, over-voltage, over-current and short circuit protection, safe and reliable. Unique appearance: 4 soft light LED indicators to show the recharging status and battery level. Made of solid aluminum alloy with anodized processing, comfortable to the touch and durable to use. Universal fits for iPhone, iPod, Samsung devices, cell phones, tablet PC, etc.