The Research Center on Semiconductor Technologies for Energetic (CRTSE), in collaboration with the Laboratory of Electrochemistry and Micro Energy Sources (LEMSE) at Institut National de la Recherche Scientifique (INRS, Canada) are honored to announce the organization of the Battery Technologies Spring School 2026 (BTS'26 School). This event will take place from May 10 to 13, 2026 in Algiers, Algeria.