... portable power bank so easy for carrying, suitable for PC,iphone,tablet,notebook,camera,iphone household appliance. 1,Capacity:2000mah~12000mAh/3.7V(lithium polymer battery ... long lifespan, and more safety.4.Auto power off, make better use of battery energy.5. unique high-technology, provide overcharge ... Apple,SumsungM300,SumsungD800,LG KG90)4,Packing 1pc 4400mA portable power bank for iphone and ipad