4100mAh Polymer Li-ion Battery Mobile Power Bank

Feature:

--Appearance with rounded fine and touch good, adopt excellent injection   molding and surface treatment processes.

--Long life time and cycling time is more than 300 times.

--Large capacity 4000mAh, and can charge 3-4 times for commonly used phone.

--Double USB outputs,can charge for two devices at the same time

Specification：

Operating instructions：

1  Charge for other devices:

    1)Connect the power bank and edevice with charging cable,then press the switch button and the LED indicator works, and charging starts.

    2)After the device is fully charged, press the switch button and the LED lights will turn off.

    3)When need to check the remaining battery capacity,please press switch button and observe the quantity of lighting LED lights.

2  Charge for this product：

1) After plug in the power,LED lights will blinking which indicating charging started.

2)When the five LED lights stop blinking and are in Steady state, means charging has been completed.

Less than 25%，      the 1^st LED light;         

  25%~50%,           two LED light ;

50%~75%,           three LED light        

 75%~100%,          all LED light.