EZOPower White 2 USB Port Compact External Portable Rechargeable Emergency Backup Battery Charger (5000mAh)+ USB Cable+ for HTC Desire 520/ 526/ 626s/ 612/ EYE/ 510/ 816 Cellphone Smartphone and more Universal, convenient, portable, and compact external rechargable back-up battery Compatible with most portable devices (Mobile Phones, Music Players, Portable Gaming Devices, Digital Readers, etc.) Charges via included USB cable + Includes interchangable charging tips such as mini USB, micro USB, and more for your convenience. 2 USB ports for Dual Charging, 5000mAh battery capacity, 5.35V output voltage, Output 1: 700mAh max output current & Output 2: 1000mAh max output current. Includes 1 year warranty.