We have (2) Roomba 780's that split the house and a 550 in the garage that cleans under the cars. We purchased the 780's new about 5 years ago and I got the 550 for $50 due to a bad battery. I purchased extended batteries for the 780's and used one of the ok’d batteries for the 550. Other than routine maintenance and…
We have (2) Roomba 780's that split the house and a 550 in the garage that cleans under the cars. We purchased the…