Juicy Power 2 USB Portable External Battery Charger Power Bank - 11000mAh (Yellow) SmartFlow Technology - Detects your connected devices and delivers a rapid charge without overloading AVLT-Power's Exclusive 365 Day Warranty and 30 day no-questions-asked return policy Rapidly delivers high capacity of 11000mAh though 1.5A and 2.4A ports, allowing you to simultaneously charge a smartphone and tablet Meets FCC, CE, and ROHS standards. Overcharging, and surge protection keep your device safe AVLT-Power's excellent customer service. Contact us to resolve any issues!