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Rebuilding an iRobot Roomba Battery

Back in 2010 (or there about's) I decided to replace the battery cells in a Roomba battery. I was going through a time-lapse phase, so set up my Canon 350d and an interval timer and this is the result. 

I've had nearly 50k views on my YouTube video and many questions asking for a tutorial, or the uncompressed video (which doesn't exist). The video wasn't meant as a tutorial, it was an experiment, that worked out quite well in the end. The replacement battery lasted for quite a few years, but we retired "Bob" in the end and bought a newer model a few years ago. I might dig the old "Bob" (we called him that) out and set him up as a development platform, as I've seen some people doing that for robotics development.

Anyway, the video is still there and is fun to watch, if not overly informative :)

Oh, another video that went up around the same time was a time lapsed video of a Sunday way back then. It's not got great outside images in it, as I was experimenting with the time lapse and exposures on the camera, but kills 3 minutes if you have them to spare!

Past Projects

  • The Mars Clock

    13 Apr 2023 Read More...
    Have you ever wanted to know what the time was where you are? How about in another location? How about another planet?! Well, that was the idea behind the Mars Clock. Now you can know what time it is in Boca Chica, Texas AND on Mars!

  • Oak Egg Cups

    29 Jun 2018 Read More...
    Having a few hours to spare in the workshop lets you just create something that you don't have to think too hard about building.

  • Laura Kampf Inspired Bench-top "Portable" Workbench

    24 Nov 2017 Read More...
    Inspired by Laura Kampf and the numerous Roubo workbenches out there, this will tide me over until I can make the time to build a full-size Roubo bench.