The USB Power Bank 2200mAh is ideal for mobile devices, as we are increasingly relying on more and more digital devices such as smartphones, GPS and even smart watches - all of which are power hungry and often they run out of power at the most inconvenient time.
The Power Bank supports a Single USB with 2200mAh battery capacity to offer a fast re-charge to your devices. By supporting a standard USB port on the Power Bank means any device can be charged by utilizing a standard mobile device’s charging cable. The output on the power bank is 5V 1000mA.
Refer to above PDF Data sheet