Rechargers for electric accumulators; Battery charge devices; Battery packs; Sodium-ion batteries (SIBs); Electric vehicle battery packs; Sodium-sulfur batteries; Lithium secondary batteries; Solid-state batteries; Hydrogen fuel cells; High-tension batteries; All-solid-state batteries; Photovoltaic cells and modules; Batteries; Photovoltaic cells; Chargers for batteries; Lithium iron phosphate batteries; Batteries, electric; Lithium ion batteries; Electric accumulators; Rechargeable electric batteries