Roomba Battery Replacement Guide

If your Roomba is taking forever to charge or running out of power quickly, you may need a new battery.

However, it’s important to review all battery reset options, as well as your manual to make sure that the battery is truly dying.

Powerextra 3.8Ah Ni-MH Battery Compatible with iRobot Roomba R3 500,600,700,800,900 Series 500 510 530 531 532 535 536 540 550 552 560 570 580 595 600 620 650 660 700 760 770 780 790 800 870 900 980

Check Price & Availability

Top 5: Best Roomba Replacement Batteries

Brand

Roomba Series Compatibility

Battery Type

Capacity

Powerextra

500/600/700/800/900

Ni-MH

3500mAh

iRobot XLife Extended

500/600/700/800 & Scooba 450

Ni-MH

3000mAh

Mr.Batt

500/600/700/800

Ni-MH

3500mAh

Pwr+

500/600/700/800

Ni-MH

3000mAh

Powerextra Upgraded

500/600/700/800/900

Li-ion

4500mAh

Before purchasing a new Roomba battery, you should know the following:

  • Using 3rd party batteries may void your robot’s warranty.
  • Series compatibility is not always accurate. Sometimes specific models within a series are not compatible. You will need to check for complete compatibility from each vendor or manufacturer.
  • Li-ion batteries are only compatible with Li-ion chargers.

Roomba Battery Life

Roomba batteries should last for approximately 400 charging and draining cycles. If you vacuum daily, you should get at least a year of trouble free vacuuming out of your Roomba.

However, this tool does need regular maintenance so the power of the battery is put to the most efficient use.

  • Every time you use your Roomba, empty the dust bin.
  • Once a week, clean the brushes to remove pet hair, people hair and debris.
  • Once a month, follow the manual instructions and clear away dust from the bumpers and sensors.

Then your Roomba can put all the battery power it has into cleaning your floors!

What’s In A Roomba Battery?

Many Roomba batteries are NiMH (Nickel Metal Hydride) batteries. These batteries will last longer if you exhaust them on occasion, and they don’t last as long when they’re over-charged.

Newer models may contain Li-Ion batteries​ (Lithium-ion). These batteries can not be charged by Ni-Mh chargers.

If you have faithfully charged your Roomba every day and have noticed a loss of power, you may need a battery reset rather than a replacement.

It’s important to note that Roomba batteries discharge more quickly in conditions of high heat.

If you charge your Roomba in a room that gets quite warm such as a laundry room or near a heat vent, you may not be getting the most efficient use of your battery.

Per authorities with Green Batteries, storing your Roomba in a cool spot can protect battery life.​

How To Replace A Roomba Battery

Gather your tools. You’ll need your new battery, a Phillips head screwdriver, and a small dish or jar to collect the screws.

If you’re sensitive to dust, a mask and latex or nitrile gloves may be in order.

Be prepared for dust and debris by putting the screws in a special spot so they don’t get lost in the mess. You can use this chance to fully clean your Roomba.

Once you’ve determined the battery is done for, turn off your Roomba and flip it over, preferably on a towel or other piece of fabric you can shake it out on and clean.

The following are basic steps to replace a Roomba battery.​ However, each series may have slightly different replacement steps. Ensure to check your manual for your particular model.

  1. If your unit has a side sweeping brush, like the 600 series, you may need to remove that.
  2. Take off the screws that hold the bottom plate in place and set them aside. 700, 800, and 900 series have 2 screws, older series have 4.
  3. Remove the bottom plate to expose the battery. Carefully lift out the old battery straight up so you don’t bend any contacts, then place the new battery, logo facing you, into the battery void.
  4. Settle the bottom cover back onto your Roomba.
  5. Start each of the screws that hold the plate in place, and once the threads have caught, tighten them one at a time. If you tighten each screw individually, the other(s) may not line up, so it’s important to start all four screws before tightening.
  6. Replace the side sweeper brush and charge your Roomba overnight. Once it’s fully charged, recharging it should only take two hours.
  7. Recycle the old battery at your local waste management facility.

When we compare Roombas, like the Roomba 860, now come with a lithium ion battery. These batteries charge at similar rates, but lithium ion batteries lose power at a lower rate.

Unfortunately, at this point lithium ion batteries are not available in a variety of sizes and can be difficult to charge as they often need special connectors.

NiMH batteries will lose a bit of power in storage, particularly if stored in a warm spot. However, they are still a very good battery for your Roomba.

Final Thoughts

Roomba robot vacuums can make life easier and reduce the burden of cleaning your house. These clever little tools will return to their charging stations on their own when they run low on power.

For efficient charging, drain the battery on occasion and provide easy access to the charging plate.

Did you enjoy this guide? Let us know in the comments with your Roomba battery experiences and replacement tips.​

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