POWER BANK 20000 MAH-HOCO J154A

However, evaluating the intended specs presented on the packaging tells us exactly what this device is designed to do:
​Core Specifications
​Capacity: 20,000 mAh (Massive capacity, typically enough to charge a standard smartphone 3 to 4 times over).
​Maximum Output: 22.5W (Total max power output, likely via the USB-A port using protocols like Huawei SuperCharge or QC 3.0).
​Power Delivery (PD): PD 20W (Fast-charging standard optimized for iPhones and newer Android devices via USB-C).
​Charging Claim: "Charge 50% in 30 minutes" (A standard marketing metric for modern PD fast charging on compatible devices).
​Port and Interface Layout
​Looking at the illustration of the power bank on the box:
​Outputs/Inputs: It features three ports on the top edge—two USB-A ports and one USB-C port (which usually pulls double duty as both the input to charge the power bank and an output to charge your phone).