Troubleshooting Guide: What to Do When Your Roomba Battery Is Not Charging

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Roomba vacuum cleaners have taken home cleaning to the next level with their innovative and convenient design. These cordless robots roam around your home, sucking up dirt, dust, and debris. The heart of their operation is the battery, a key component that powers these automated cleaning maestros.

The battery of a Roomba vacuums does more than just fuel the machine; it dictates the device’s cleaning time, performance, and overall efficiency. In this in-depth guide, we delve into the subject of a Roomba battery not charging, providing solutions, suggesting preventive steps, and answering commonly asked questions.

Understanding a Roomba Battery

The Roomba battery is the energy source that powers up the robot, enabling it to do its cleaning job. It’s a rechargeable battery that requires a power source (typically, a charging base) to recharge. The battery life largely depends on the specific model and usage, but on average, it endures around 18-24 months before needing a replacement.

Keeping an eye on the battery status is crucial for ensuring your Roomba’s optimal performance. As a rule of thumb, if your Roomba’s run time significantly decreases or it refuses to charge, it might be a sign of a battery issue.

Common Problems of a Roomba Battery Not Charging

Several issues could lead to your Roomba battery not charging. Sometimes, problems could originate from plug or outlet issues, while at other times, it could be the charging base itself. Battery-related problems, like degradation or poor maintenance, and firmware or software complications, could also make charging a hassle for your Roomba.

Troubleshooting Steps to Fix a Roomba Battery Not Charging

Verifying the Outlet and Power Source

Start your troubleshooting process by checking the outlet and power source. Make sure the outlet is functioning properly, and the charger is plugged in completely.

Checking and Cleaning the Charging Contacts/Base

Next, check whether the charging base itself is clean and clear of debris. Dirt on the charging contacts can prevent a secure and complete connection, resulting in a failure to charge.

Resetting the Roomba

Resetting your Roomba can often help resolve software-related charging issues. Refer to your user manual for detailed instructions on resetting your specific Roomba model.

Checking the Roomba’s battery

If your Roomba still isn’t charging, it might be an issue with the battery itself. Inspecting and cleaning the battery contacts could solve the problem; if not, you may need to consider replacing the battery.

Updating Roomba’s Firmware and Software

Keeping your Roomba’s firmware and software up-to-date is essential for smooth and hassle-free operation. If your robot isn’t charging, a software or firmware update could be the solution.

Seeking Professional Help

If all else fails, it might be time to seek professional help. Contact Roomba’s customer support or take your robot to an authorized repair center.

How to Prevent Roomba Battery Problems

Regular cleaning, proper usage and storage, timely replacement of the battery, and adhering to best charging practices can prevent many Roomba battery charging issues. Follow the guidelines provided by the manufacturer for best results.


A properly functioning, well-maintained battery is the key to an effective Roomba cleaner. By knowing the potential issues and how to troubleshoot them, you can ensure the longevity and efficiency of your Roomba.


Is it advisable to charge Roomba battery for longer periods?

Longer charging periods won’t damage the Roomba battery, but it’s best to unplug the device once it’s fully charged to save electricity.

Can I replace the Roomba battery myself?

Yes, replacing the Roomba battery is a straightforward process, and instructions are typically provided in the user manual.

How can I know if my Roomba battery is completely dead?

If your Roomba isn’t turning on or its runtime has drastically reduced, it might be a sign that your battery is dead.

Is it normal for Roomba to not return to its charging base?

No, this is not normal. If your Roomba isn’t returning to its base, it could be due to a navigation problem or a battery issue.

What kind of maintenance do Roomba batteries need?

Regular cleaning and proper storage are essential for Roomba battery maintenance. You should also ensure timely charging and replacement when needed.

How long should a Roomba battery last before replacing?

On average, a Roomba battery should last 18-24 months before requiring a replacement. However, this could vary based on your usage and the specific model.