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Don't Use a Non SuperCharge Cable to Quickly Charge Your Huawei P10 with the Huawei SuperCharge MultiPort Charger

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Huawei's own implementation of SuperCharge quick charging technology over the USB Type-C interface can be seen on most of its products including the Huawei P10 phone and Huawei SuperCharge MultiPort Charger. Using SuperCharge, the Huawei SuperCharge MultiPort Charger supports charging up to 22.5 watts (4.5 volts @ 5 amps or 5 volts @ 4.5 amps) for the Huawei P10, just as long as the Huawei SuperCharge USB Type-C to USB Type-A cable is connected in between. But rather than 22.5 watts, only 15W based charging was observed when previously tested for both phone and charger in this review.

To see what happens when using a non Huawei SuperCharge enabled USB Type-C to Type-A cable to connect the Huawei P10 with the Huawei SuperCharge MultiPort Charger, we observed the entire charging which took around 309 minutes, starting from a fully depleted battery on the phone. Note the cable was being attached to the SuperCharge enabled USB Type-A (4.5V/5A or 5V/4.5A) port of the charger. Immediately at plugin the charger initially shows VBUS rising up to 5 volts with no current flowing. This is unlike USB Power Delivery transactions which don't turn on VBUS until a USB Power Delivery power contract is established.

In the first few minutes of charging, the Huawei P10 was seen to start pulling current that changes rapidly along a 5 volts rail. When reaching 10 minutes, the phone briefly pulled up to about 15.3 watts (9 volts @ 1.7 amps) which the current then dropped quickly to zero. In the next 131 minutes, no current was pulled resulting in no charging at all. The current then started to rise up to 3 amps for the phone to resume charging at around 13.5 watts. After the battery has charged for a bit, the current dropped progressively to reach below .2 amps when near to full charge. Click here to download the trace captured by the GRL-A1 power analyzer to view the entire power charging cycle.

With a non SuperCharge cable, the Huawei P10 was charging abnormally with the Huawei SuperCharge MultiPort Charger where halfway through the phone actually stopped charging for about 131 minutes resulting in a much longer charging duration than using the SuperCharge cable at just under 130 minutes as observed here. This is the problem with Huawei SuperCharge technology where it is easy to lose their special cable and a more readily available standard USB cable results in this poor experience. 

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

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