Cost of my new solar bike: Solarduino Bike version 3.1

This week, I installed new, very good quality solar panels on my bike. Their real power is 86% higher than that of my old panels. I went from Solarduino Bike 3.0 to version 3.1!

How much did my new 2019 solar bike cost?
I counted the different elements used. I acquired some for the first project in 2017, others in 2018 and 2019. Here is the summary:

The cost of the trailer may seem trivial, the reason is that I mainly used salvage parts (fork and bicycle frames) acquired in the participative workshop La Rustine in Dijon.

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