There are many tools for sizing the battery pack for electric vehicle conversions and I investigated several, but in the end I was forced to use a pragmatic approach to battery selection. The criteria being:
I was pretty excited when they were delivered! The battery box was fabricated by Geoff O’tool from GT Tooling and mounted in the rear engine bay. Because the final dimensions of the battery box meant only 56 cells would fit, the final traction battery pack specifications were: 56 cells * 3.6Volts = 201.6 Volts 2.5 kg * 56 cells = 140 kg 60 * (56 * 3.6) / 1000 = 12.1 kilowatt/hour This is a picture of the pack installed in the rear engine compartment. I drove MR02EV for about 3 years with this setup before embarking on a replacement, which I will describe in a future post.
You can also see the Batrium battery management cards mounted on the top of each cell. Its a great system and I will write more about that also.
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Michael Day
I have a Degree in Electrical Engineering from the University of Technology Sydney and am employed in Broadcast Television Industry. My hobby is the (continuing) modification of MR02EV. I am also the National Treasurer of the Australian Electric Vehicle Association. Archives
October 2018
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