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  4. What should I do if my laptop/tablet charges slowly via the hub's PD port?

What should I do if my laptop/tablet charges slowly via the hub's PD port?

  • MOKiN Global

    If your connected devices are charging slowly through the hub’s PD port, it may be due to an issue with the connected laptop, the device you’re charging, the charger and charging cable, or the hub itself.

    Here are some troubleshooting tips that may help you identify and resolve the problem.

    For laptops:

    ● If your connected laptop needs more power for charging than the maximum output of our hub, then the device will be charged slowly.

    ● Try this hub with a different laptop to see whether your device can be charged.

     

    For devices being charged:

    ● Confirm whether the device can be charged normally without the hub.

    ● Try charging a different device to see whether it can be charged normally.

     

    For chargers and charging cables:

    ● Confirm whether the charger and cable have sufficient power needed for a full charge.

    ● Try using a more powerful charger and charging cable.

     

    For the hub:

    ● Check if the hub's LED light is on. If it is not, the hub may be defective.

     

     

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  • MK

    I'm using MODK1402 with LG Gram pro 16 inch laptop. The charging able, charger all works fine to charge laptop above 60 watt to around 99 watt without hub, however, when charged through hub, it get stuck around 50 watt, and windows sends low power charging alert. What can I do?

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  • MOKiN Global

    Hi @Minjoong Kim,

    To better and quickly solve the problem, please provide the information as follows:

    1) It is recommended to use the original charger.
    2) Provide the brand and model of the currently abnormal charger. Please take a photo of the parameter page.
    3) Provide a complete connection diagram to check if there is any problem with the connection.

    Looking forward to your reply.

    Best regards

     

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  • MK

    @Mokin Global 

    1) I tried using original charger, yet the result was same. The original charger is LG 90W Fast Charger

    2) I tested with both original charger and the Baseus 100W Fast USB Charger 6 in 1(https://www.aliexpress.com/item/1005006060420807.html?spm=a2g0o.order_list.order_list_main.91.536e140fJTiCpZ&gatewayAdapt=glo2kor)

    I attatch the charging image using the Baseus charger, however the result was same with LG's original charger. As you can see in the following photos, when laptop was directly connected to the Baseus Charger, the charging power was over 90W, however when connected through MODK1402, the charging power drops around 70W, which after I took photo dropped to around 50W.

     

    3) I tested with three cases, where the low speed charger alert all appeared when charged through MODK1402:

    -----------------------------------------------------------------------------------------------------------------

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  • MOKiN Global

    @Minjoong Kim 

    Thank you for providing the comparison test information;

    Please test the charging power when the computer's battery level is at 20% or 30%, and check if using other cables can maintain a stable 90W output.

    Looking forward to your reply.

    Best regards

     

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  • MK

    @Mokin Global 

    This is my work laptop, and running on battery mode seriously damages the work performance so it would be unlikely for me to be able to test with 20~30% battery.

     

    I have 3 100W high power charging cables and they all work fine.

     

    I made it clear with the picture, for some reason, when I'm charging laptop through MODK1402, the low/slow charging alert appears, meanwhile using same charger with same cable without MODK1402 shows no such issue.

    Even if by dropping battery to 20~30% does boost the charging power and the warning disappears, that would mean I have to work on battery mode till the battery drops to that level everytime, which is meaningless.

    All I want to know is why is MODK1402 is not delivering max 100W charging as promised, and how to fix this issue

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  • MOKiN Global

    @Minjoong Kim

    Sorry for the inconvenience.

    Our customer service team will contact you by email and arrange for a product replacement.

    This product can deliver up to around 85W (if you are using a 100W charger, it will be 85W through our hub; if the charger is 65W, it will be around 58W to the computer).

    Please note that check your email.

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  • MK

    @Mokin Global So... it's been a month, I got no email from you guys... how much longer should I wait?

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  • MOKiN Global

    @Minjoong Kim 

    Hi, please check your email again.

    The customer service had contacted you.

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  • MK

    @Mokin Global I replied on this Tuesday... no response since ; (

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  • MOKiN Global

    @Minjoong Kim 

    Sorry for the inconvenience;


    We will ask the customer service team to understand the situation. And you can contact AliExpress customer service to solve your problem faster.

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  • KB

    If devices charge slowly through the hub's PD port, check if the laptop, charger, cable, or hub is causing the issue:

    • Laptop: If it needs more power than the hub provides, it may charge slowly. Test with a different laptop.
    • Device: See if it charges normally without the hub. Try charging another device.
    • Charger & Cable: Ensure they supply enough power. Use a higher-powered charger and cable if needed.
    • Hub: Check if the hub's LED is on. If not, the hub may be faulty.
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  • MM

    @Minjoong Kim

    It seems like the issue lies not with the chargers but with the MODK1402 acting as a bottleneck in the power delivery. When you're using a device like MODK1402 in the charging chain, it might have limitations in its power delivery specifications or efficiency, which could explain why the wattage drops significantly when charging through it.

    Some things to consider:

    1. Power Delivery (PD) Standards: Check if MODK1402 fully supports the power delivery standards required for 90W+ charging. If it’s capped at a lower wattage, this could be causing the reduction.

    2. Cable Quality: If the MODK1402 requires additional cables, ensure they are high-quality and capable of handling 100W or more, as subpar cables can also cause a drop in efficiency.

    3. Device Design: Some intermediary devices may have internal resistance or efficiency loss that leads to lower power output than input.

    4. Heat Generation: If the MODK1402 overheats while charging, it might throttle the power output to protect itself.

    You might want to test another adapter similar to MODK1402 to see if the behavior persists. If MODK1402 has adjustable settings or firmware updates, check if these could help improve its performance.

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