KnowBrainer Speech Recognition
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Topic Title: is there a USB hub/adapter device that that can plug into an outlet as an additional power source?
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Created On: 05/15/2021 01:59 PM
Status: Post and Reply
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 05/16/2021 03:13 AM
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>> If your notebook computer is near an AC outlet, use the outlet to power your computer.

I certainly do that, but...

>> A powered USB hub isn't going to extend your computer's battery life

What I'm wondering is... Why not? My devices display flashing lights on them, powered by my poor laptop. Wouldn't it be great if a USB hub plugged into the wall gave the power needed to display an "on" light, rather than turning laptops into powerstrips? From the perspective of conserving battery life, ideally the nature of the connection between our peripherals and our laptops would be purely about data transfer rather than data transfer + power supply.

You sound certain in your answer so I'll assume you're correct, but I am looking to understand what is happening to my laptop's battery as I run all these dictation-related devices through it.

Compare my setup to somebody who's using my same model laptop, but does not need to plug in a bulky microphone or a foot pedal device--what kind of toll is this "normal" usage taking on their laptop's battery life compared to mine? Is the drain on electricity coming from my foot pedal/microphone trivial? What are the long-term consequences on laptop battery life after months and years of having these kinds of devices plugged in most of the time?


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