9
Chargers for electric batteries; Rechargeable batteries; Batteries; Battery chargers; Battery compensation chargers; Batteries, electric; Ultracapacitors for energy storage; Transformers [electricity]; Distribution transformers; Electronic transformers; Voltage transformers; Electric voltage transformers; Electric current transformers; Mains transformers (Electric -); Electronic power transformers; Capacitive voltage transformers; Accumulators, electric; Battery jars; Batteries, electric, for vehicles; Batteries for electric vehicles; Lithium ion batteries; Car batteries; Ignition batteries; Batteries for vehicles; Fuel cells; Nickel-cadmium batteries; Rechargeable cells; Lithium secondary batteries; Power units [transformers]; Power units [batteries]; Rechargeable electric batteries; Electrical cells and batteries; Condensers [capacitors]; Invertor controllers; Voltage converters; Voltage regulators for electric power; Voltage regulators for vehicles
37
Recharging of batteries; Recharging of batteries and accumulators; Vehicle battery charging; Charging of electric vehicles; Assembling [installation] of storage systems
39
Storage; Storage of electricity; Arrangement of the storage of fuels; Storage of electrical plant; Storage of energy and fuels