How to Charge Smartphone even When Laptop is Power Off

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In this tutorial you‘ll learn how you can use eSATA/USB port available on your laptop to charge smartphone using USB data cable even when laptop is power off.

How to Charge Smartphone even When Laptop is Power Off
How to Charge Smartphone even When Laptop is Power Off

Sometimes your smartphone battery drained out or your iPod battery is drained out and AC power source is not available or AC travel charger is not available. In such situation, you can use you laptop to charge phone or other device of course via USB data cable. But what if you do not want to turn on your laptop to charge your phone.

After reading this, you might ask “Really, is that possible?” Well, the answer is YES. 

Charge Smartphone even When Laptop is Power Off

First thing you need to make sure that eSATA/USB port is available on your laptop. You can easily figure this out by noticing the following image like port on your laptop.

eSATA/USB port

So eSATA/USB port is available on your laptop, right. That’s a good news. Don’t be sad if eSATA/USB is not available on your device. You can check if USB Powershare option is available for regular USB port under your BIOS Setup, if it is there you can follow the next steps.

Next you need to check in your “BIOS Settings” that whether necessary setting is “Enable” to get power through eSATA/UBS port even when laptop is power off. Follow these steps to enable USB Powershare option under your device BIOS setup:

Step 1: Turn off your laptop.

Step 2: Turn it on and press F2 key to enter into BIOS Setup. (In case of DELL Devices F2 is the key to enter into BIOS Setup, if your laptop is of other make, after pressing power key to turn on, keep your eyes on screen and see which key is to be pressed to enter into BIOS Setup. You can also Google procedure to enter into BIOS setup of your device. For example: BIOS setup of DELL xps 14 l401x)

Step 3: Navigate to Advanced tab using arrow key & select the USB Powershare option and Enable it. If it is already not Enable.

Step 4: Save Changes and Exit BIOS Setup. It’s done. You are ready to go.

Now Turn Off your laptop and plugin phone’s USB data cable to eSATA/USB port and connect it to your phone. Your  phone should start charging.

Using this port you may also charge other devices like iPod, Tablets etc, the devices which can be charge using USB data cable.

I have tested this method with DELL XPS 14 and DELL Inspiron 14, it works like charm. I hope this guide will be useful for you. Please share your experiences in comment section below and also mention Brand and Model of your device.

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Shashank Singh
Shashank Singh is a web addict and amateur blogger. His current interests include blogging, SEO, and WordPress. See his social profiles to know him even better.
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14 thoughts on “How to Charge Smartphone even When Laptop is Power Off”

  1. Avatar of chandu

    i dont have esata/usb port. mine is inspiron 15R

    • Hey Chandu,
      Check if ‘USB Powershare’ option is available under BIOS settings. If it is there. You can enable this option and can check if you are getting power via USB port in power off state. Thanks for stopping by.

  2. Avatar of Arundev Silwal

    I tried in DELL Lattitude 3340, it worked only when I connect the laptop in AC.

    • Hey Arundev,
      Glad that you made it. It may also depend on the hardware configuration of your machine.
      Thanks for stopping by.

  3. Avatar of Geofrey Kazaula

    I tried it as well, works only when connected to ac power, Dell Latitude E6440.
    Is there a way to let it charge when not connected to power?

    • Hey Geofrey,

      It should work when laptop is on battery backup. However, these features are model dependent. May be your model is designed to work that way only.
      Thanks for stopping by.

  4. Avatar of Yash chauhan

    sir ye kaam sare laptop me ho sakta hai ya sirf dell me hi

  5. Avatar of Arunav

    Works in my Acer Predator Helios 300.

    • Hey Arunav,
      Glad that I could help.
      Thanks for dropping by!

  6. Avatar of Kholly-jay

    I tried with my Toshiba Satellite C55-B5300, it works fine. But it only works when I connect it to AC. Thanks

    • Hey,
      Glad that you found it useful.
      Thanks for stopping by!

  7. Avatar of Blyat

    To those who have it working but need the AC power plugged in, have the laptop in sleep mode (not shut down). Worked for Dell G5.

  8. Avatar of Franklin Vidal

    Thanks, it worked for my Dell Inspiron 15 7000.

    • Avatar of Shashank Singh

      Hey Franklin,

      I glad that I could help.
      Thanks for stopping by!


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