cheap 4800mAh manual for power bank for iphone/ipad high efficiency of power conversion long cycle life rapid charge cheap cheap 4800mAh 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:4400-5200mahProduct weight:128 gProduct size: ...