Commutators; Batteries and battery chargers; Battery packs; Battery performance monitors; Battery testers; Electric batteries for powering electric vehicles; Electronic apparatus for electropysiological measurement and testing of cells; High-frequency switching power supplies; Integrated circuit modules; Lithium ion batteries; Lithium iron phosphate batteries; Photovoltaic solar modules for production of electricity; Power inverters; Rechargeable batteries; Renewable battery system to provide...