Quick Charge 3.0 - Charge compatible devices up to 4 times faster than conventional charging 20000mAh Portable Battery - Fully charge your iPhone 7 Plus 4.5 times, Samsung Galaxy S8+ 3.8 times or a 9.7-inch iPad Pro 1.8 times Adaptively charges all 5V USB powered devices including Android and Apple devices at up to 2.4A Built-in safeguards protect your devices against excessive current, overheating, and overcharging Package Contents: AUKEY 20000mAh Power Bank, Micro USB Cable, User Manual, 45-Da