Modern Vacuum

13 Responses to “iRobot 4905 Battery”

1. Iorwerth says:

   July 20, 2009 at 12:26 pm

   I have owned a ROOMBA Discovery for about 3 years and am just now finding it necessary to replace the battery. Sure, I had major problems like many others with short battery life beginning when the unit was about 14 months old. I did a bit of research and found a discussion group that listed a good “try this before you panic” solution. Reset the ROOMBA and refresh the battery. And it worked! How? Run the ROOMBA until the unit stops. Let it sit for about 15 minutes and try running it again. Do this until it no longer will start up. Then, remove the battery. Flip it over and hold down the POWER button for 20-25 seconds. Release. Flip back over and insert the battery. (I also took this opportunity to thoroughly clean all of the contacts with a Q-Tip and a little rubbing alcohol – letting it dry completely before putting the battery back in). Finally, I plugged the power supply directly into the ROOMBA (not the docking station) and let it charge for 3 days. NOTE: It may be necessary to do this 2 or 3 times (for a total of 9 days with no ROOMBA), but that time is cheaper than a replacement battery. Magic. The battery went back to its 50+ minute running time for another 9-10 months or so. At that time I did the refresh thing again and got back to more that 40 minutes running time. Finally, after a total of 3 refresh/reset cycles, the battery is just tuckered out and won’t go longer than 8 minutes no matter what I do. And that’s fine. . . I’ve had hundreds of good carpet-cleaning runs with the unit. Now, for about half the iRobot cost, I am ordering a new battery from Amazon and expect years of additional use from my ROOMBA. So, for those who haven’t tried this and find that even a new battery doesn’t seem to make their ROOMBA run right, give the above a try. It not only does a refresh on the battery, it also resets the ROOMBA so it can take advantage of the power. Can’t guarantee it for everyone, but it sure worked for me.
2. Umi says:

   July 20, 2009 at 1:29 pm

   5.0 out of 5 stars
   Battery for iRobot
   The battery arrived quickly and was exactly as described. It worked and fit perfectly in my vacuum. Excellent transaction.
3. Caitir says:

   July 20, 2009 at 1:35 pm

   5.0 out of 5 stars
   Best Price for OEM battery
   BE CAREFUL of other NON-Original Roomba Batteries! They look almost the same, cost about the same, but can cause problems for the charging system.
4. Joweese says:

   July 20, 2009 at 1:42 pm

   3.0 out of 5 stars
   Roomba is great, the battery is so-so!
   I love the IRobot Roomba itself. It’s a great product. Unfortunately the battery life is relatively short.
5. Shona says:

   July 20, 2009 at 2:21 pm

   I have now had to order my third battery for this Roomba. Like another poster the first one died within a year. This time it lasted about 1 1/2 years. At $50 a pop that is ridiculous and, after reading complaints here and on other sites, makes me wonder if it is planned that way, a vacuum conspiracy. As funny as that sounds, it is also based on experience. I have given two Roombas for Christmas presents and the same thing happened to them. They both went down before 6 months was up. I have yet to read a review in which the battery lasted more than a year. If this was a car company they would be under Federal investigation. They know they’ve got you over a barrel and I’d be willing to be that they earn the vast majority of their money through replacement batteries, etc. Well, since the thing is worthless without it I am forced to buy yet another battery. That’s three in less than three years. There’s definitely something fishy going on here. How else can you explain the fact that they keep producing defective batteries? As I said, in any other industry this would be enough cause for a recall. On another note, the vacuum works great when it works. But we are now approaching the point in which we’ve paid more for the replacement batteries than we did for the entire vacuum package. Not good business and if this battery fails I will not buy another.
6. Aston says:

   July 20, 2009 at 2:41 pm

   5.0 out of 5 stars
   Fully charged
   Factory replacement. Works well. Read the battery tips on the factory site for best performance.
7. Anonymous says:

   July 20, 2009 at 3:08 pm

   The battery itself works like a new one, what else can one expect from a battery, so there’s not much to say. However I agree with the other people here. I had this Roomba not quite 2 years and used it maybe every 1-2 weeks to clean under the bed and sofas. It’s ridiculous that the battery died after such a short time. I was thinking about buying a new roomba instead of the battery, but when I learned that I would have the same problem after a year or two I decided against it and bought the battery instead.
8. Keyshawn says:

   July 20, 2009 at 3:40 pm

   1.0 out of 5 stars
   Doesn’t work (at least not with the scheduler)
   I bought this battery to replace my other one because even though I had tried to reset it my Roomba would only run for about five minutes before returning to dock.
9. Maclean says:

   July 20, 2009 at 4:26 pm

   2.0 out of 5 stars
   short lived life
   After only 9 months with my last battery, I had to order another because the one I had no longer charged. I live in CA so had to wait for it to be shipped from Kentucky.
10. Miakoda says:

    July 20, 2009 at 5:54 pm

    4.0 out of 5 stars
    Roomba battery
    This battery was a lesson for me in not trying to be cheap. I had ordered several used replacement batteries for my Roomba from Ebay.
11. Wright says:

    July 20, 2009 at 8:28 pm

    5.0 out of 5 stars
    Good price
    Ordered, received it quickly, and it worked right out of the box!!! What more could you ask for.
12. Lincoln says:

    July 20, 2009 at 9:40 pm

    1.0 out of 5 stars
    Buyer Beward
    Be wary when buying anything from Amazon.com I would suggest, and be sure to read the fine print. Ultimately, this item claims to be sold by Amazon.com.
13. Sylvester says:

    July 20, 2009 at 11:04 pm

    5.0 out of 5 stars
    roomba battery
    My original battery is two years old so it gave out and would not hold a charge. This battery works great.

Leave a Reply

Click here to cancel reply.

Name (required)

Mail (will not be published) (required)

Website

Security Code: