No need to wait, you order a few solar panels on the store and you recharge your batteries with solar ... At least you do not embark on more than hazardous experiences ...bernardd wrote:But the energy to fill the 2 batteries, where would I take it? Plus the price and the pollution, and their change in 4 years ...
No, I prefer to have an electronic circuit, even if you have to wait 3 months more ...
Lithium batteries which last 4 years ... this is information peddled by tankers ... NOT
And then lithium is recyclable ... Super capa, I don't know.
Regarding photovoltaic panels, they produce the gray energy necessary for their manufacture in 2 years; easily 20 years of "green" production.