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Less energy does not always mean less comfort.
I find that example to consume less are sorely lacking. Small solutions exist and I wanted to share some with you.
By the way, I wrote an article on this subject in the second edition of the magazine "Iggdrasil" (french language) yggdrasil-mag.... (September 21 2019).
Is the washing machine, internet, coffee maker missing .....?
Two years ago, I was lighting my daughter's bedside lamp (5Wh) with a budget of 50 €. Now with 200 € I am charging my son's electric bike (500Wh).
Before washing my clothes, I would like to heat some water and grind my cereals with this set up.
Small details that I forgot to put in the video:
The solar panels are in parallel so that their voltage does not exceed +/- 20 Volt. Because the heterogeneous 12V batteries are also in parallel.
If we have panels in 30Volt, then it is better either to go with batteries in series (24v) or remove one of the three "string" on the solar panel, so that it goes back down to 20V. This is so that the MPPT regulator is at optimum.