... box, bilster,customized pack 1,Capacity:2000mah~5000mAh/3.7V(lithium polymer battery)2, input voltage:5 ... >=0.5V;output voltage 5.5V>=0.5V 3,Charging time:about 1-2 hours4,Output power ... polymer lithium batteries, long lifespan, and more safety.3.Auto power off, make better use of battery energy ... 5/iphone min/ipad 43,Packing 1pc OEM is welcome.Welcome to our factory!! high quality for ipad 4 power bank ...