https://www.chip.de/news/messen-events/ein-cent-pro-kilowattstunde-catl-praesentiert-unschlagbares-akkuspeicher-system_0f2ddb8a-304e-496a-b100-14afa245e354.html #catl #natrium #sodium #battery that has no problem with sub zero #temperatures #solar #renewables #bigoil does NOT like it :(