UniEnergy Technologies Battery » How To Replace Roomba Battery? (Fast And Easy Steps)

How To Replace Roomba Battery? (Fast And Easy Steps)

A robot vacuum is a lifesaver when it comes to keeping up with a routine cleaning schedule, and Roombas are one of the most popular bots out there.

They allow you to clean your floors at a set time while you attend to more pressing issues than sweeping, and some even have a self-cleaning system that saves many minutes of your time.

However, battery problems can throw off your cleaning schedule entirely, causing you unnecessary chaos. Thankfully, replacing your Roomba battery is quick and easy.

Keep reading to learn how to replace Roomba batteries and other helpful information.

Tools You’ll Need

  • Phillips Head Screwdriver
  • All-purpose cleaner
  • Paper towels or rags

How To Replace Roomba Battery

The iRobot Roomba’s battery usually lasts around two years, so if you have had your Roomba longer than this, there is a good chance it is time for a replacement.

There are also some other tell-tale signs to look out for that may even come before the two-year mark. If your Roomba battery isn’t holding a charge, is acting sluggish, or is throwing a code, this is a good indicator you will need a new Roomba battery.

You can fix this issue by following these steps to get your Roomba back up and running in no time.

Step 1: Clean The Roomba

Always start the battery installation process with a clean Roomba. Using a paper towel or rag and all-purpose cleaner, Clean the outer surface, as well as ensure the compartment is emptied and clean. Also, be sure to clean the debris off of the rollers and brushes.

Any dirt on your Roomba could get into your battery terminal and damage your Roomba, creating a much bigger problem.

Step 2: Side Brush

Next, turn your Roomba upside down. If you have a 600 series or I series Roomba, you will need to remove the brush. This brush is located on the side of your roomba and consists of three groups of white bristles.

Use your Phillips head screwdriver to loosen the screw and remove the brush. Be sure to set the brush and screw in a safe spot, so you don’t lose it. If your brush is dirty or damaged and you plan on replacing it, you can just throw it away if you have the new one.

Step 3: Loosen The Screws

Loosen The Screws

Locate the screws on the bottom cover of your Roomba. How many screws you will need to remove will depend on the series you own.

Some have only two screws, while others have 6! Besides the number of screws, the rest of the process is the same. Using your Phillips head screwdriver, remove the screws from your Roomba and set them to the side.

Pro Tip: Use a shallow dish to hold your screws so they don’t roll around, causing you to lose them. This can be a hassle if you don’t have replacement screws.

Step 4: Replace The Battery

Next, carefully remove the battery. For the I series Roomba, there will be a release button. Just press the button, and the battery will pop out.

For all other serious, just pull on the battery’s pull tabs to remove the battery. Now, gently install the new battery and discard the old one.

Step 5: Replace The Back Cover

Now that the new battery is installed, simply replace the back cover and reinsert the screws in their correct location.

If you remove the brush, you can put the brush back in its place and secure it with its screw. Turn your Roomba back over.

Step 6: Charge Your Roomba

This step may or may not be necessary. Some batteries require you to let them charge for a couple of hours before using them, and others come ready to go, so it is important to read the instructions that come with your battery.

Other Helpful Information

Other Helpful Information

  • If you want to make your Roomba battery last longer, there are a few things you can do to prolong your Roomba’s Battery Life. Clean Roomba brushes regularly, as dirty brushes make the Roomba work even harder to clean up dirt and debris, and be sure you replace your filter once every six months to prevent wearing out the battery prematurely. Remove all obstacles before your Roomba starts its cycle, so it doesn’t suck up items that are too large. Also, make sure you are using your Roomba often and don’t let it sit stagnant for an extended period. Lastly, let it go through a full cleaning cycle before letting it recharge.
  • There are times when the battery is not the issue, so make sure you troubleshoot before investing in a new battery, as they are on the pricier side. Things like clogged rollers and brushes can make your Roomba stop mid-cleaning, so check to see if your rollers are brushes need to be replaced. Also, a dirty charging station dock can prevent your Roomba from charging properly. Try cleaning the base to see if it fixes the issue.
  • Make sure you get the correct type of battery for your Roomba. Older models usually use NIMH batteries, while newer models use lithium-ion batteries. You can find the right battery by finding your model number either on the back of your roomba or on the owner’s manual.
  • Check your user manual to see if a replacement battery is included in your warranty within a certain time frame, as most Roomba batteries have a guarantee.


There you have it! Replacing your Roomba battery is a straightforward process and will have you back to your cleaning routine before you know it! However, sometimes technical problems arise.

If you are still having problems with your battery after replacing it, you may want to call a technician to help you determine what the issue is.

We hope you found this article helpful! If you have any additional questions or concerns, let us know in the comment section below! We love to hear from our readers!

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