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iRobot Roomba 4900 Self-Charging Drive-On Home Base

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Brand: iRobot
Category: Kitchen

List Price: ~~$69.99~~
Buy New: $41.00
You Save: $28.99 (41%)

New (7) Used (3) from $34.00

Avg. Customer Rating: 3.5 out of 5 stars

27 reviews
Sales Rank: 2291

Number Of Items: 1
Batteries Included: No
Shipping Weight (lbs): 1.6
Dimensions (in): 7.8 x 6.1 x 3.9

MPN: 4900
Model: 4900
UPC: 853816049004
EAN: 0853816049004
ASIN: B00022HZ0O

Release Date: September 15, 2004
Availability: Usually ships in 1-2 business days

Customer Reviews:

Showing reviews 6-10 of 27

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1 2 3 4 5 6

Just ok May 3, 2008
This might work better with a newer Robot... will save for when I upgrade... On the red unit... the charger that came with the unit is easier to use, and doesn't take up any room... but love the robot vacuum.

3 out of 5 stars

Works, but with flaws March 10, 2008
5 out of 5 found this review helpful

The way this dock works is infrared. Roomba doesn't know where the dock is until it is in the dock's vicinity and it catches the IR signal. You can tell this is so because Roomba will actually go out of its way to avoid the dock when its battery is well charged. When the battery is low, however, if the Roomba catches the IR signal, it will attempt to dock. This will work just fine, but only under a pretty narrow set of circumstances:

1) Your house must be small enough and/or uncluttered enough that the Roomba catches the IR signal on a pretty frequent basis.
2) Your dock must have roughly 4 feet of clear space on all sides for the Roomba to maneuver into the dock well.
3) The contacts on both your dock and the underside of your Roomba have to be absolutely dust-free.
4) The dock wasn't turned cockeyed by Roomba's reversing out at the start of the cycle.

The dock needs to be heavier and/or have the ability to be screwed into the wall. I have found that Roomba will frequently drag it along sideways until it finally just starts its cycle and by that time the dock is in a position that makes it difficult for Roomba to dock.

All that said, if you have the right set of circumstances and keep your Roomba pretty clean, it really does work, so it's not all bad. It's just not quite the hands-off miracle it is portrayed as. Perhaps the next generation will have some kind of radio triangulation that the Roomba can actually work toward and therefore dock with more frequency.

2 out of 5 stars

not exactly as advertised February 8, 2008
Sometimes it works perfectly and sometimes it doesn't, not a big deal I just pick it up and dock it by hand.

5 out of 5 stars

Must Have ! January 13, 2008
1 out of 1 found this review helpful

If you purchase a Roomba you really need to get this self charger too. The Roomba will come back to the charger and charge itself ! You don't have to remember to track him down after use and put him on charge. This way he is always charged and ready to go when you want to use him.

5 out of 5 stars

Does exactly what it says on the box December 29, 2007
A wonderful extra for the Roomba, the base is really handy if you need to leave the house and have the Roomba ready to go on your return. It's easy to use and neat to boot!

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