Power/Technology: Rechargeable Lithium-Ion battery. Input: DC 5V/500mA; Output: 5V/1000mA; Capacity: 2200 mAh. Charge time differs by device. Must charge power bank prior to first use. Includes instruction manual and micro USB to USB-A power bank charging cable; phone charging cables not included. Aluminum emergency charger includes on/off button and features LED indicator light. Instructions included. FCC approved. UL Certified (UL File # MH60484). WARNING: Refer to the item manual for safety and warning instructions. WARNING: Item Contains LITHIUM BATTERIES and is restricted to ground shipping only. CANNOT ship via air including to any U.S. address where part of the trip will be via air transport (i.e., Hawaii, Alaska, Puerto Rico). CAN ship to Canada via Ground transport only.