Output Interface:USB DC Input Interface:Micro USB Battery Type:Li-Polymer Battery Capacity:9001-10000(mAh) Item:Slim Bank 10000Mah Outport:5V 1A 2.1A USB Port:2 Ports Input:DC5V 1A Colour:Black, Gray, White Support devices:Mobile Devices Efficiency:85%-90% OEM service:offer OEM service Battery Type:Li-polymer Battery Capacity:10000mah