sur les batteries (anglais)

http://www.solarboatteam.nl/en/blog-15-luc-energy-box-mini-series-part-ii/
et
http://www.solarboatteam.nl/en/blog-4-jasper-the-battery-management-system-bms/

" between approximately 2.7 and 4.2 volts, "
chez moi on ne descend jamais sous 3 V parce comme il l'écrit "When the voltage of the cell goes outside of this range, the cell will damage and there is a chance that it will explode."