Aukey 20000mAh Power Bank, Portable Charger with 2.1A Dual-USB Output for iPhone X / 8 / 8 Plus, iPad Mini / Air, Samsung S8 / S8 + and More 20000mAh Power Bank - Fully charge your iPhone 7 Plus 4.5 times or a Galaxy S7 Edge 3.5 times, or a Google Nexus 6P 3.5 times or a 9.7-inch iPad Pro 1.5 times Dual USB ports, combined 2.1A output - Simultaneously charge your smartphone and tablet at max speed AiPower - Tuned to adaptively provide the safest maximum recharge rate for all your USB powered devices Built-in safeguards protect your devices against excessive current, overheating, and overcharging overheating, and overcharging Package Contents: AUKEY 20000mAh Power Bank, Micro USB Cable, User Manual, 24 Month Warranty