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C. R. Home Improvements inc.
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Home » 400/Discovery Series - Models, Parts and Repairs Svc. » Roomba Batteries

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*Li-ion Battery Replacement for Roomba
*Li-ion Battery Replacement for Roomba

lithium ion battery (abbr. Li-ion) replacement for your Roomba. Runs cooler, lasts longer and extends the life of vulnerable internal components by reducing the overall weight load on your roomba by over 13%!

Advantages of Li-ion over standard NiMH APS battery;

  • 2x battery life cycle 
  • 5% average runtime increase (25% for 3.4Ah cellpack)
  • Cooler charging cycle
  • Cooler operating temp
  • Reduced overall roomba weight by over 13%
  • No "cell memory" issues
  • Each cell has is own PCB to protect against over charge, discharge and short circuits

Available Capacities: [comparison chart]
High Capacity 3400mAh (3.4Ah)
Standard Capacity 2800mAh (2.8Ah)

Since we recycle, the battery case color may vary (Black-Yellow-Gray)
Can be charged with both the roomba Standard(black) and APS fast charger(Gray). Compatible with all 41XX and 42XX Discovery series models. View Models 

*Manufactured with high quality fresh Li-ion cells, not secondary market "aged" cells.

**Please expect a 7-10 business day delay in production and testing before shipping.

NOTE: This battery is not endorsed or supported by iRobot

Capacity:

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Price: $89.99

 
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Customer Rating: 5of 5 Stars!(of 24 votes) Write Review
by stewie81
I've been running this in my Roomba Sage 4110 five months now, and it has held up quite well so far. The pack is very light and lasts longer per charge than the OEM NiMH pack did even when new. This is a far better deal than the NiMH aftermarket cell replacements you can find on eBay and elsewhere.

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Michelle M Wellman
These guys are just awesome. Awesome products and awesome customer service. My Li-ion battery for my Roomba has been working beautifully as well as the bumper guard. Fast robot with no more black marks on my newly painted walls. I was hesitant to spend the money on the li-ion battery, but after the owner called me back (while on his vacation!) and answered all of my questions I decided to give his company a try. Boy am I glad I did! He, his company and his products are just AWESOME! Thanks Chris! I will be back!

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Brent Kuhlman
My order took a little while to ship [7-10 days as specified], but I think it was due to them building and testing the Li-Ion battery packs. Well worth the wait! [EDITED for content]

Rating:5 of 5 Stars! [5 of 5 Stars!]
by James H Couture
Great communications and superb product.

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Joshua J Kataoka
Li-ion Battery Replacement for Roomba - Great seller, fast shipper.

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Karen L Kittell
No issues at all, everything was shipped quickly and was the product I needed and worked as expected.

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Guest
phenomenal. worth the money.

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Jerry Trantow
I purchased this after my original battery lost it's zip. I've been using this battery daily for about two weeks. The replacement is FANTASTIC! I was getting disappointed in the roomba cleaning performance, but this battery restored the magic of letting the robot go and coming back to a clean room.

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Dale Brandt
New battery is great, much more power than before. I will be buying more batteries when my other robots stop working.

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Jose (Barcelona) SPAIN.
Me he quedado maravillado con esta batería de Li-Ion para mi roomba, es impresionante, dura mucho mas que con la original y además parece que tenga hasta más fuerza, aunque supongo que esto debe ser porque pesa un poco menos que la original. También se calienta mucho menos cuando carga que la original, lo cual siempre es bueno. En definitiva estoy contentísimo con mi nueva bateria y espero que la hagan también para los nuevos modelos de Roomba 510, 560, etc. EN- I have remained astonished at this Li-Ion battery for my roomba, he is impressive, it lasts much more that with original and seems that it has more force, although I suppose that this must be because a little weighs less than the original one. The battery is warmed up much less when load that the original one, which always is good. I am content with my new battery and really hope that they do a battery for the new models of Roomba 510, 560, etc.

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Chris U.
The LI-ON Battery is a great replacement battery for the OEM battery that died. My roomba runs twice as long, and it just seem to perform better. This is a great product.

Rating:5 of 5 Stars! [5 of 5 Stars!]
by happyCamper
Seriously, I couldn't be more pleased. Not only did this ship and arrive exactly when it was scheduled to, but my Roomba now also runs 1.5x longer than when I got it brand new. Thanks, guys!

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Michael Galloway
The battery was shipped within the 2-3 week window stated. The battery is lighter and My Roomba Discovery runs longer on a charge (set to Max). Very happy with the battery and overall experience.

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Robert W Collins
Product good as advertised. Couldn't ask for more. :) My Roombas FLY! now.... Thanks...

Rating:5 of 5 Stars! [5 of 5 Stars!]
by William in WA
Exceptional battery and well worth the wait! My roomba has a new lease on life, thanks again!

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Leah S. D.
Awesome! This battery is like Ritalin for my Roomba. It now just goes, goes, goes : )

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Shawn P
The replacement battery arrived within the timeframe stated, and it works great. Our Roomba lives again!

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Guest
After my original battery started short cycling, I took the plunge and ordered the replacement Lithium-Ion pack. I can assure everyone that it is well worth the money spent and will allow your roomba to run for nearly twice as long (currently)as before with about half the weight of the original battery pack. I believe that it is well worth the investment, the wait time for the order and thanks to all who make these a reality!

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Paul Burns
Exceptional battery, well worth the costs and wait just because of the reduced weight, wear and tear on my roomba. Thanks!

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Brian R - BAL, MD
13%? Try 50%! This thing FLIES! I ordered this thing very sceptically but I'm glad I did. It has all the power of the original battery with half the weight and (time will tell) TWICE the life expectancy! I HIGHLY recommend these guys. Product and customer service is TOP NOTCH![EDITED: to remove shipping information]

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Jon
Very nice battery! Decent price compaired to the ones on roomba that are just standard battery cells and cost more!

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Brad
I use lithium ion batteries in a lot of my tools and appliances so there is no doubt that the batteries are a great buy. I get them because they last so long between replacements. My praise here is for the battery upgrade service with a 2 day turn around! I would have bought the drop in kit but I cracked my case trying to open it and when I sent it in for installation they also had a replacement available. Very good company to work with. Thumbs up guys!

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Scott3ec9
Item arrived BETTER than advertised and fast! Excellent seller and company to deal with.

Rating:5 of 5 Stars! [5 of 5 Stars!]
by Palmer108
Excellent Service & Communication. Well Packaged, Quality Product. I was surprised at the weight difference, my roomba flies around the room now! Thank you for your service. [EDITED: Thank you, these cells are very well made and Li-ion will run cooler, longer and last 2x that of the original aps NiMH batteries]

Rating:5 of 5 Stars! [5 of 5 Stars!]

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