5600mah Portable Charger External Battery Pack Backup Power Bank for iPhone 6 Plus 5S 5C 5 4S, Samsung Galaxy S6 S5 S4 Note, Nexus, HTC, Motorola, Nokia, PS Vita, Gopro, more Phones ExpertPower Ultra-Strong: Top grade Class A 18650 battery cells and premium microchips. Ultra-Secure: Security protection designed for short-circuit and over-current protection. Ultra-Safe: Keeps charge with a standby time up to 6 months after fully charged. 500+ recharge cycles over the life of the battery LED & Flashlight : The LED flashlight works perfectly in darkness, especially for emergency. Ultra-Compact: very easy to carry in pocket or bag. High capacity of 5600mAh.