True huge 20800mAh battery bank charges an iPhone X for 5 times, a Galaxy S9 4.6 times, or an iPad mini 4 2.4 times; fully recharge in 8-11 hours with a 2A or 3A charger. Great for daily use or travel both. 5V/3A high speed charge your phones or tablets. Each single output port of this portable chargers max reach to 5V/3A, it has total 3 outputs, (2 USB-A outputs, 1 USB-C output). Compared with other's old version 5V/1A or 5V/2A, it is super fast charging your cell phones or tablets. Compatible with most of phones or tablets, just take this power bank with you anywhere, it supports to charge almost all of your cell phones and tablets. Great for family share battery powers or travelling. Convenient Digital LED Power Display Screen. LED power display screen will clearly show battery power level and total output current range 2.1A or 3.0A. (2.1A means current is equal to 2.1A or less than it. 3.0A means current is between 2.1A to 3.0A). 

Safety features & Customer Support: Built-in safeguards protect your devices against excessive current, overheating, and overcharging.