Ultra Thin 9KMAH Powerbank - Black. Charge all your devices on the go! Ultra-thin design. Smart charging capability, simply connect and charging will begin automatically. Pocket Friendly. Wallet Sized Portability. Aluminium Alloy Cover (rubber finish soft touch available). Ultra-Thin, Only 11.5mm. Handy and Stylish. Cell Type: Li-Polymer. Capacity: 9000mAh. Input: DC 5V/2A. Output: DC 5V/2.1A(Max). Input charging time: 4.5-5 hours. Recycling Time: >500 Full Times. "