1.Electric parameters Nominal power: 8500mah Input: 5v 1a Output: 5v 0.5-1a Transfer ratio: >87% Cell lie: 500 times for charging and discharging; Applied in:ipod, ipad, iphone, mid Outer size: 90mmx80mmx23mm Weight: 199g Certification: fcc ce rosh 2.Standard configuration 1). Portable charger bank 1 pc 2). Usb cable 1 pc 3). Product catalogue Total 25ctns, 40pcs/ctn, outer carton¡¡¥s size:37cm*35.2cm*26.5cm