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iRobot Advanced Power System Ni-MH Battery

by Roomba

List Price: $87.42
Price: $33.99 & FREE Shipping
You Save: $53.43 (61%)
In Stock.
Ships from and sold by JB International Inc..
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Frequently Bought Together

iRobot Advanced Power System Ni-MH Battery + Roomba 500 Series Side Brush, 3-Pack + iRobot Roomba 500 Series Replenishment Kit For Red and Green Cleaning Heads
Price for all three: $55.68

These items are shipped from and sold by different sellers.

Buy the selected items together

Product Details

  • Product Dimensions: 5.7 x 2.5 x 2.2 inches ; 14.1 ounces
  • Shipping Weight: 1.4 pounds (View shipping rates and policies)
  • ASIN: B000VPR8TU
  • Item model number: AP4400SW
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (217 customer reviews)
  • Amazon Best Sellers Rank: #97,094 in Home & Kitchen (See Top 100 in Home & Kitchen)
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Product Description

iRobot Advanced Power System Ni-MH Battery

  • New 3000 mAh Nickel Metal Hydride battery keeps Roomba running at peak performance
  • Cleans up to 4 rooms in 1 cleaning cycle
  • Charges in 7 hours on standard charger (sold separately)
  • For Roomba 500 Series only
  • 7 x 2.2 x 2.3 inches; 3 pounds; made in China

Need more information on this product? Click here to ask.

Customer Reviews

Fit perfectly and works great!
Cindy Yegge
I am very satisfied with this product and would recommend it to anyone who might be nervous about buying an aftermarket battery.
D. Jones
50% cheaper than iRobot battery AWESOME!!!!
Kamal Kant

Most Helpful Customer Reviews

143 of 145 people found the following review helpful By Jason L. Pyrz on March 22, 2009
Verified Purchase
Very disappointed in this product. They describe this as an iRobot battery, and even put a picture of the iRobot battery in the product listing, however, and this should have been obvious from the price, this is NOT an iRobot battery! Now, I'm not an iRobot snob, and I would be perfectly happy with a generic replacement battery, IF IT WORKED! It holds juice, and it will power the Roomba, but upon docking with the home base, I get a one red blink error light (battery problem) and a fast red blink on the charge indicator light (never turns green after charging). I thought this could have been due to the Roomba forcing a deep recharge (16 hour cycle), but I left the Roomba on the home base for 24 hours, took it off, and the Roomba was still indicating it had no charge. I did a reset of the Roomba software (hold down the "spot" and "dock" buttons at the same time for 10 seconds), and only then did the indicator light turn green. As soon as I placed it back on the homebase however, the flashing red lights came back. It's not a problem with the Roomba either, I put the old iRobot battery back in, and the charge indicator light worked like it was supposed to. Until I get a REAL replacement, I'm stuck using my old, dying, iRobot battery... which is still better than the defective, generic battery that was sent by Battery Superstore.

Keep an eye out for an updated review. I have a message into Battery Superstore asking for a replacement of the defective battery they sent me. I will update this review with a review of their support, as well as any replacement they send out.


I sent a message to the seller, via the Amazon interface, telling them of the problem with the battery.
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85 of 87 people found the following review helpful By Brian D. Szuter on November 30, 2009
Verified Purchase
There seems to be a variety of experiences with this battery, and I wanted to relate my experience with purchasing it.

I was shipped a generic Roomba 500 battery by "Allergy Be Gone". I think unless you buy directly from Amazon (for about 2x the price), this is what you will get. When I installed the battery, I found that it was keyed so you could only install it in one direction - it wasn't possible to install the battery backwards. It was really easy to install, requiring only a Philips head screwdriver. My Roomba then charged up in a very short period of time, and it now runs for 2+ hours. The battery charges fine using either the charging station or when plugged in directly.

I think "Allergy Be Gone" sells a higher quality battery than "Battery Superstore" sells. Reviews that mention Battery Superstore seem to be lower than other sellers, so I would recommend being careful about who you buy this from.

Overall, I am very pleased with this purchase since it saved me some $$$, but I wish ALL the sellers were clearer as to whether they are selling a generic battery or a iRobot branded battery.

FYI: iRobot has a video showing you how to install a battery on a 500-Series Roomba on their website.
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60 of 71 people found the following review helpful By Debra Barrett on March 7, 2009
I was a little skeptical when I saw that Battery Warehouse was selling this battery for $41, when even Amazon.com is selling it for $63.47, and some vendors sell it for as much $90, but I went ahead and took a chance with Battery Warehouse on the battery.

What a mistake that was. When I received my battery and opened it up, I immediately noticed that the sticker indicating that the battery was indeed iRobot genuine was missing. I called Battery Warehouse to inquire if this was a real iRobot battery, and they assured me that it was, but I still had second thoughts about it.

After a call to iRobot, we determined that this was in fact a generic battery that was NOT made by iRobot. I was also told that using this battery in my Roomba would void my warranty!

Battery Warehouse refused to allow me to return this, so I had to get Amazon to give me an A2Z refund on it. Make sure that you buy this from someone other then Battery Warehouse if you really want to get the item that's pictured.

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11 of 11 people found the following review helpful By Retired Ski Bum on April 3, 2010
Verified Purchase
7/9/11 Update:
I wrote this review about a different battery (a 3300 mAh version) made by a different manufacturer and sold by a different vender. Hey! Amazon! HOW does this happen? HOW can ANYBODY trust these reviews?

8/12/10 Update:
Four months after the purchase, both of these NiMh batteries show a maximum run time of 118 minutes. That is (as is normal and expected) an 11% decrease from the original run time. But, that is still 51% higher than the run time on the original NiCd batteries when they were brand new. If these batteries continue to lose 14 minutes of run time every 4 months, these batteries will still run for 90 minutes when they are 1 year old. That will still be 15% longer than the NiCd batteries ran when brand new. And, after 1 year, the NiCd batteries drained before completing a single small bedroom.

Before testing the maximum run time on a used battery, you must reboot the Roomba (see the Roomba battery maintenance internet page), recharge it, confine it in a test area with no charging station present, turn it on and press the dock button.

Use the same test area for each test.

Also, to get the best results from the battery, be sure to follow the battery maintenance tips on the Roomba battery maintenance internet page.

Based upon this interim result, I figure I may get more than one year of service from these NiMh batteries -- time will tell.

Original Review Follows:
Bottom line:
I bought two battery packs from SellBuzz. I am 100% satisfied with both batteries and with SellBuzz. Of course, the real test will be how long the batteries last before they have to be replaced. One year seems to be typical for average use.
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