DIY Violent Fan with Power Bank & Display

Since violent fans are relatively cheap and have strong airflow, there are many experiences in the DIY market of modifying violent fans. If you are interested in this, why not try modifying one yourself?

If you don't have one, you need to purchase it in advance.

First, measure the dimensions and print out the fixed bracket.

Put a boost board and a switch inside a box.

The outcome looks like this.

This is how the board and switch are placed inside the box.

For the power supply, you can choose to purchase a 10,000mAh power bank. The brand of this power bank is Xiaomi.

Take three LG3350 batteries and connect a wire from the positive terminal to the bottom.

Open the bottom cover and measure the screw positions.

3D print the cover.

If you forget to leave a hole during modeling, it's okay. You can simply drill a hole. It's not difficult.

Take power from the positive and negative terminals with the wires, and use the original screws to secure the cover.

Here is an approximate look after connecting the wires. Make sure to protect the wire ends.

Successfully test it and use adhesive (e.g., 502 glue) for manual bonding.

The front appearance is as follows.

It has a built-in battery level display, so there's no need to install it later.

Although it is a 5V power bank, it can come in handy in critical situations.

Smoke effect while soldering, no more secondhand smoke.

There are several advantages of choosing this power bank:

1. It is small and not tiring to hold.

2. It has a built-in battery level display, allowing you to observe the battery level changes in real time.

3. It functions as a power bank with three 3,300mAh batteries totaling 10,000mAh, allowing for long operation.

4. When going out, besides being a fan, it can also be used as a power bank, serving two purposes.

In conclusion, the DIY market offers plenty of opportunities to modify affordable and powerful violent fans. If you're interested in joining the ranks of enthusiasts, consider following the steps outlined above. By purchasing the necessary components in advance and utilizing 3D printing technology, you can create a custom fan with added features such as a boost board, switch, and a power bank. This versatile fan not only provides strong airflow but also doubles as a portable charger. With its compact size, built-in battery display, and the ability to operate for extended periods, it proves to be a practical and convenient solution for both cooling and charging needs.

So, why not unleash your creativity and embark on the journey of transforming a violent fan into a multi-functional device?