Jovabox Clip Power Bank Fast Charging Portable 2500mah Power Bank External Battery Charger Powered Backup Pack for Mobile Phone, Iphone, Ipad, Samsung, Htc, Motorola, Sony Ericsson, Nokia, Lg, Blackberry, Ipod, Mp3, Mp4, Psp, PDA and Most USB Devices, Smart Phones, Iphone 6, Iphone 6 Plus, Iphone 5s 5c Works with most types of mobile phones in the markets including iPhone, Samsung. Compatible with Android, Apple or other devices. Huge 2500mAh capacity (REAL, FULL capacity!) With series of security protection designs such as short-circuit and over-current protection, over charge protection, over discharge protection. The battery pack will automatically shutdown when over-current, over charge, over discharge, short-circuit happens. Output, 5V, 1A A clip to hold it on waistbelt, hand bag, pocket and books.