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A commenter on last week’s electric bike round-up pointed me to this drool-inducing 2008 build from one “Doctorbass,” of Quebec. I am especially impressed by the custom-built battery pack:

  • 432 Sony 18650V (known as Konion).used in Makita, Bionx an, 3.75 Volt, Lithium-Ion
    2.21 Kilowatt-hour LiMnO2
  • I built this pack myself with engineering knowledge for thermal management and safety protections.
  • I used many used 18V 3Ah LXT power tools battery pack of Makita.
  • These cells are 1600mAh each and are mounted in 24s 18p groups.
  • The total pack give 100.8V fully charged and 24Ah.

EV Album has many more nummy technical details. [Thanks, Mario!]

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I write for MAKE, serve as Technical Editor for MAKE magazine, and develop original DIY content for Make: Projects.


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