Anker PowerCore 10400, One of the Smallest and Lightest 10400 mAh External Batteries, Ultra-Compact, High-speed Charging Technology Power Bank. Remarkably Compact: One of the smallest and lightest 10400 mAh portable charger. Provides almost three-and-a-half iPhone 8 charges or two-and-a-half Galaxy S8 charges. High-speed-Charging Technology: Anker’s exclusive PowerIQ and VoltageBoost combine to deliver the fastest possible charge for any device. Qualcomm Quick Charge not supported. Certified Safe: Anker’s MultiProtect safety system and high-quality LG battery cells ensure complete protection for you and your devices. What You Get: Anker PowerCore 10400 portable charger, Micro USB cable, travel pouch, welcome guide, our worry-free 12-month warranty and friendly customer service.