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Viper electric bicycle battery housing

Guest post by Dalibor
First thing to do was to make a frame. Then add layers of fiberglass. Filling the voids and irregularities with git and then the painting.

I opted for the black colour:

Housing holds all the batteries, wires, connections and a display that shows battery state, consumption and other parameters. It also has a contact lock with three switches and a jack for battery charging. Switches are used to turn on the display, speed limit and cruise control.

Photo gallery of the finished project of Polar Viper electric bicycle modification.

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