how to charge mi band 4 - MoboDaily

How To Charge Mi Band 4 Without Charger – Easy 4 Step DIY Guide!!!


In today’s write up, we will tell you how to charge mi band 4 without the charger. This guide is also applicable to Mi Band 3 and lower versions.

You can also use this technique to charge Mi Band 4 without removing.

If you are using the Mi Band 4, you can understand that it’s not just a fitness tracker, it’s part of our lifestyle because of its features and functionality.

Mi Band 4 has made life easy for its users. From reading notifications to rejecting calls and controlling music, it has become a necessity for the users.

What if you forget the charger somewhere and can’t access it soon?

What if you have lost it? or can’t access it for any reason.

Don’t Worry! I will tell you how to charge Mi band 4 with the help of a USB cable.

I have personally used this technique for 2 months to charge my Mi Band 3.

So let’s get started.

Disclaimer: This process can also cause damage. We are not responsible for any type of damage to any person or thing. Do it at your own risk.

Easy 4 Step DIY Guide:

What you need:

  1. A USB cable
  2. Nothing Else!

Step 1: Cut the USB Cable.

Step 1 - How to charge Mi Band 4 without charger

Cut the USB cable from the micro USB end.

Any old or tainted USB cable will work. Don’t buy a new cable.

Step 2: Tear the ends of Black and Red Wire.

Step 2 - How to charge Mi Band 4 without charger

Tear the ends of the black (neutral) and red (live) wire.

We will only use red(+ve) and the black(-ve) wire in this process, green and white wires are of no use.

Step 3: Connect the wires with the band.

Step 3 - How to charge Mi Band 4 without charger

This part is the main part of the guide so do it carefully.

There is a 2-pin charging slot behind the Mi Band 4 capsule as shown in the above image where we will connect the wires.

Caution: Be careful that wires don’t get in contact with each other.

Refer to the above image for clarity.

What to do:

  1. Hold the band when the backside of the band is in front of your face and charging pins of the band are downwards (like in the above image).
  2. Connect the black(-ve) wire of the cable to the left pin of the band.
  3. Then, connect the red(+ve) wire of the cable to the right pin of the band.

Tip: Make us of cello tape to adjust the wires at right position.

Below are some charging setups you should consider:

Step 4: Plugin the charger to the socket.

Step 4 - How to charge Mi Band 4 without charger

Now connect the USB cable to a travel adapter or any other power source like a power bank, etc.

Then plugin the charger to the socket.

If you have done all the above steps right, your Mi Band 4 will start charging without the default charger.

Hurray! Your Mi Band 4 is live again.

What if the Mi Band 4 is not charging:

  1. Check if the wires are connected with the charging pins or not.
  2. Check if the wires are correctly connected with the right pins i.e. black wire on the left and red wire on the right (refer to step 3).
  3. Check if the travel adapter or power source is not faulty.
  4. If the band is on, drain the battery to zero and then retry.
  5. Try the process with another USB cable.

Also Read: Top 10 Mi Band 4 Custom Watch Faces.


This technique act as a gift to the Mi band 4 users in case they can’t access the default charger or not able to buy a new charger soon.

I am personally using this technique on my Mi Band 3 for two months and haven’t faced any issue of battery drain or decreased battery life.

You can use this technique as a substitute of default charging if you don’t wanna spend extra bucks.

Tell me if this guide was easy to understand by commenting “Great” in the comments below.

Reach us in the comments below in case of any query.

Share the post and help the Mi Band Community. Peace.

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