Generic iRobot Roomba Replacement Internal Battery Pack for Battery 4905. Fits Discovery, Sage, Red, and Dirt Dog Models
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Kitchen and Housewares Reviews of Generic iRobot Roomba Replacement Internal Battery Pack for Battery 4905. Fits Discovery, Sage, Red, and Dirt Dog Models
Customer Review: Tenergy NiCD Battery Pack for iRobot Roomba
Summary: 4 Stars
I ordered three of these batteries and they were shipped very quickly. Each came with a triangular screw-driver necessary to open the Roomba battery pack housing. A minor amount of soldering was required and now my Roombas are working like new. So far so good, but the true test will be how long these batteries last. The literature says 1000 charges.Customer Review: Tenergy Roomba Battery Replacement Kit
Summary: 3 Stars
Batteries were somewhat easy to replace once the plastic case opened. It seems that some of the cases are glued shut.
The replacement batteries do not have the same running time as the originals. On a full charge the Roomba runs for about 35 minutes. The unit periodically shuts down and then restarts, which was not normal with the original battery pack.
Not sure if this is due to the new batteries or another problem.
Customer Review: Tenergy battery pack for Roomba Vacuum
Summary: 5 Stars
I bought this battery pack because I wasn't completely sure the problem was with the battery and I didn't want to spent $60 bucks for a complete new battery to find out. It was a little tricky to get the old battery apart because it was glued together so I made sure I could do that before I ordered the insert by filing down an old screwdriver to fit the trianglar screws. I am very satisfied with the performance of the batterypack. After charging it worked perfectly.Customer Review: The battery works great, however...
Summary: 5 Stars
The cover of my original battery was superglued so it was very difficult to get it opened to replace the battery with the new one. I had to do some serious cosmetic damage (using chisel, hammer and hot metal) to be able to open it. Most likely it has void the warranty, he he. People should be aware of this difficulty before just buying a replacement.Customer Review: Works as expected & charges up fast
Summary: 5 Stars
The battery pack came in fast and it works great. It charges up in 2 to 3 hours. My original one needed 8+ hours to charge.