MI pocket Wholesale OEM gift 18650 rechargeable battery USB mobile charger 4000 mah power bank for mobile phones

18650 Li-ion *2pieces Input: Micro USB / Type C 2.1A max
Output: Type C/2.1A + USB 1A/2.1A = 2.1A
30cm Micro USB to USB cable

   Compact design and ergonomics design, compatible to hold and carry;

2. Standard output USB interface. 5V 2.1A
    There is standard output USB interface for output current of 2.1A . 

3. Power switch 

    Check the capacity and terminal status, easily complete the operation by one switch button. 

4. Built in high density battery The same capacity, the less weight & size.
5. Intelligent identification, charging at ease 

    When the digital product connects with the power bank, it can automatically identify and charge to the power bank. plug and charge,intelligent and convenient if the digital product is not disconnected after fully charged , the power bank can automatically identify, initiate over-charge protection and stop outputs, which can save the power consumption.