myCharge AmpPlus 3000mAh Portable Charger with Built-in USB Cable Rechargeable 3000mAh portable charger 22 extra hours of power Built-in USB cable for convenient powerbank recharging Built-in USB port: use your own cable to charge your favorite device Specs: 3000mAh Lithium Ion battery, 2.1A Input, 2.1A Output