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USB Power Delivery Not Happening for the GearMo USB Type-C 27W PD Adapter and the Huawei P10 Phone


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The GearMo USB Type-C 27W PD Adapter offers convenient charging in the car for various USB Type-C devices including the Huawei P10 phone. Since the GearMo USB Type-C 27W PD Adapter advertises to support Huawei's proprietary fast charging technology on top of USB Power Delivery 2.0, we see how it charges the Huawei P10 which can use both USB Power Delivery and Huawei's own SuperCharge technology over USB Type-C. 

After we connected the Huawei P10 with the GearMo USB Type-C 27W PD Adapter using a USB Type-C to Type-C cable, no USB Power Delivery transactions was observed to happen. The GearMo USB Type-C 27W PD Adapter rather used simple CC line voltage levels instead of active USB Power Delivery or Huawei SuperCharge to provide only around 6 watts of power to the Huawei P10.

Click here to download the trace captured by the GRL-A1 power analyzer to see more details on how the GearMo USB Type-C 27W PD Adapter  charges the Huawei P10.

Download the A1 software from Granite River Labs here to view the trace.


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