Charger case for galaxy s9plus black slim power case for Samsung 5200mah

Details: 

Product name:rechargeable battery case for galaxy s9 plus
Material:PC+ABS
Model:EKBC-185
Nominal Capacity:5200mAh
Feature:two functons: work as a power bank and also  protect your phone
Input: 5V/1.8A
Output: 5V/1.8A
Charging time: About 3.5-4h