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Activity Forums VEGAS Pro Laptop charger power needed for 4k editing

  • Laptop charger power needed for 4k editing

    Posted by Neil Pollick on January 29, 2023 at 12:02 pm

    I do my video editing on Vegas and since there is no forum specifically
    related to generic editing or the necessary hardware, I decided to ask

    I have a Razer Blade Stealth 13, Quad-Core 10th Gen Intel® Core™ i7-1065G7 Processor
    with Hyper-Threading 1.3 GHz / 3.9 GHz and

    NVIDIA® GeForce® GTX 1650 Ti
    4 GB GDDR6 VRAM with Max-Q Design. Supposedly the first real gamining ultrabook and as such very capable at 4k video editing.

    The original PSU was rated at 100w (20v 5A). It also outputted at 15v. (and 9v and 5v too)
    The PSU got damaged recently and i am in a country where getting a 100w usb-c psu is not possible. So I am using a 65w usb-c charger (GAN type). which charges the laptop very nicely.

    I imagine that the 100w power delivery is not necessary for most applications and is probably meant for resource intensive gaming and 4k video editing.

    Perhaps someone can explain why there are ouptuts at 15v and 20v? And when does the laptop require each? What is the charging voltage?

    Am I going to have problems when editing 4k video? (there must be a reason that the original PSU was as powerful as 100w)

    In my experience 4k video editing is best done with the PSU plugged in, no matter how fully charged the battery is (otherwise it can lag, be choppy, stall and even freeze etc). I cannot find anything on the net to explain why these newest gen usb-c chargers have the outputs that they do.

    Neil Pollick replied 1 year, 2 months ago 2 Members · 2 Replies
  • 2 Replies
  • Francois Pénzes

    March 2, 2023 at 12:36 am

    Hi Neil

    As a general rule, laptops will draw the power from the battery and not directly from the power supply. That is why most laptops won’t turn on right away if the battery is completly drained even though the power supply is pluged in. Now, not all laptops have the same power requirement. If you’re pulling more power from the battery than the PSU can feed, that’s when your computer will have trouble running everything, not just one perticular software. You can compare this loosly to a pool with a 1 gallon per minute leak. If you replenish it at a rate of ½ gallon per minute, you will eventually run out of water in your pool. Same for the battery.

    Cheers !

  • Neil Pollick

    March 3, 2023 at 9:11 am

    My laptop does turn on immediately when the battery is empty if the psu is plugged in.
    And on previous laptops I have had the laptop needed the psu plugged in no matter if the battery was fully charged in order to do the most resource intensive activities in video editing.

    Nothing I read on the internet confirmed that fact but I witnessed it myself time and time again and that’s enough for me.

    The original psu of my laptop was 100w, rather than 65w, for a reason, and I don’t think that the reason was to charge the battery faster.

    And i would still like to know why the charger outputs at 20v as well as 15v if anyone knows.
    I can find nothing on that anywhere on the internet. Thanks.

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