AV Pro 2 provides up to 30W to charge your Windows or Mac laptops through USB-C interface. As soon as AV Pro 2 connects to your laptop, it will start charging it. It is important to note that the AV Pro 2 will continue to charge your Windows laptops, MacBook or MacBook Pro as long as the AV Pro 2 remains connected to your computer—even after manually powering the drive down using its power button. In order to completely cease charging, you must disconnect the A/C adapter from your AV Pro 2 or disconnect AV Pro 2 from your laptop.
The front power button is only to power on and off AV Pro 2’s drive and USB Hub behind it. It cannot control laptop charging feature.
My AV Pro 2’s LED light is off but my Drive Is still mounted?
How to Properly Eject the AV Pro 2?