large capacity 8000mAh portable power bank for iphone/ipad high efficiency of power conversion long cycle life rapid charg large capacity 8000mAh manual for power bank manual for power bank for iphone/ipad Specification: Cell type:polymer lithium ion batteryOutput voltage:5VOutput current:1000maInput voltage:5VInput current:1000maBattery capacity:8000-8800mahProduct weight:200 gProduct size:115. ...