In addition to the original power supply, SR11 can be used with power adapters above 5V 2A. But since the ripple or interference of power supplies from different manufacturers is different, so it is not excluded that individual adapters will have a slight murmur. It is recommended to use the original power supply;
When the USB device is connected to the USB port of SR11, some USB devices will consume power or charging. The SR11 power supply may be insufficient and you can turn off the back stage device charging.
For individual PD chargers, during the PD handshake, the output voltage is low. It may take longer time to power on the SR11(it take some time for the PD charger to complete handshakeand output 5V). For example, when using the ANKER A2014 charger, you would need to wait 20 seconds before getting 5V output.
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