How To Convert A Ups Into An Inverter?

In today’s world, electricity is a basic necessity and power outages are quite common. A UPS (Uninterruptable Power Supply) is a device used to provide backup power to computers and other electronic devices in the event of a power outage. Although UPSs are commonly used for backup power, they can also be converted into inverters to power other devices as well.

To convert a UPS into an inverter, you will need to make some modifications to the circuitry. The process involves bypassing the internal battery charging circuitry and connecting the external batteries directly to the inverter circuit. This modification allows the existing UPS inverter circuitry to supply power to other devices, not just the backup power supply. With the use of an appropriate number of batteries, the converted UPS can power high wattage devices such as fans, refrigerators, air conditioners, and even lighting systems. Converting a UPS to an inverter can be a cost-efficient way to obtain clean, uninterruptible power supply during blackouts or emergency situations.

How to Convert a UPS into an Inverter?

Converting a UPS (Uninterruptible Power Supply) into an inverter is a cost-effective way to create an emergency power backup for your home or office. Here’s how to do it:

1. Choose the right UPS: Not all UPS units are suitable for conversion into inverters. Check the battery and charging capacity of the UPS before purchase.

2. Disassemble the UPS: Open the UPS and remove the battery, circuit board, and transformer. Note the terminals, wires, and connectors to reconnect them later.

3. Modify the circuit board: The UPS circuit board is designed to regulate and stabilize the power input, which is not required in an inverter. Remove any components that affect the regulation.

4. Connect the battery: Use a high-capacity 12V battery and connect it to the battery terminals on the circuit board. Make sure the battery polarity is correct.

5. Wire the output: Connect the output terminals of the inverter to the AC outlets. Use a multimeter to check for any faults.

6. Test the inverter: Turn on the UPS and test the inverter by plugging in a low-power device to check if it delivers stable power.

7. Install the inverter: Install the inverter where you want to use it. You can leave it connected to the outlet, so it’s always ready to supply power in case of a power outage.

Overall, converting a UPS into an inverter is a simple process that can save you money. However, it’s important to note that the output power of the inverter may not be enough to run high-power devices like air conditioners or refrigerators.


  1. Can I convert a UPS into an inverter?
  2. Yes, it is possible to convert a UPS into an inverter.

  3. Why would I want to convert a UPS into an inverter?
  4. Converting a UPS into an inverter can be cost-effective and allows for backup power in the event of a power outage.

  5. What materials do I need to convert a UPS into an inverter?
  6. You will need a UPS, a battery, a battery charger, and an inverter circuit.

  7. Do I need technical skills to convert a UPS into an inverter?
  8. Yes, converting a UPS into an inverter requires some technical knowledge and skills, as well as knowledge of electronic circuits.

  9. Can I use the converted UPS inverter to power my home appliances?
  10. It depends on the size and capacity of the UPS and inverter circuit. A larger UPS and inverter circuit can power small appliances, while a smaller one can only power basic electronics and devices.


In conclusion, converting a UPS into an inverter is a great way to repurpose an old device and save money on purchasing a new inverter. By following the steps outlined in this article, you can transform your UPS into a reliable power backup system for your home or office. With some basic electrical knowledge and the right tools, anyone can perform this DIY project successfully. So, gear up and get started on your own UPS to inverter conversion today!

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