Cyclops Ener-Pak Dual USB Power Charger can charge TWO devices at the same time; Charges an iPhone up to 4X on a single charge; Two USB ports, 2.1A and 1A outputs; Intelligent charge protection; 5000 mAh Li-Polymet battery with no memory effect; Lightweight, only 4 oz and portable; Battery capacity LED indicator; Includes USB AC adapter and micro USB cord.