Charges most portable devices; UL Certified 5000 mAh Capacity; 5.0 V 2.1 A Output and 1 A Output. Has two USB ports and one Micro USB port. Includes Micro USB power cord. Rechargeable lithium battery; Phone charging cord not included. High density means smaller an lighter power banks with more power than traditional power banks. Please note: power banks are considered hazardous material, shipping by air will incur additional fees.