Portable charger for mobile charges an average smartphone from 0-50% in only fifty minutes and 1 charge of an average smartphone. 1.5 Amp max output to charge mobiles. 3350mAh/16.75W portable power bank. Charge 1 device with USB output port. Charging indicator lights to check remaining energy levels. Input: DC 5V/1A. Output DC 5V/1.5A. CE certified.