Accumulators [batteries]; electrical storage batteries and battery modules; apparatus and instruments for conducting, switching, storing, transforming, converting, accumulating, regulating or controlling electricity; rechargeable batteries; rechargeable cells; battery packs; branch boxes [electricity]; charging equipment; distribution consoles [electricity]; electrical cells; electricity meters; electrolytic cells; inverters [electricity]; junction boxes [electricity]; voltage surge protectors; circuit closers and breakers; electrical and electronic components (battery cabinets, fire- and explosion suppression, internal cooling fans for computers, for batteries, for electricity accumulation apparatus and for electricity storage apparatus); sensors; internal cooling devices for computers, batteries, electricity accumulation apparatus and electricity storage apparatus; battery management system; electric control panels; switch panels (electric).

Installation, maintenance and repair of apparatus and instruments for conducting, switching, storing, transforming, converting, accumulating, regulating or controlling electricity; charging of batteries and accumulators/charging services; recharging of batteries and accumulators/recharging services.