3CESYSTEMS

Apparatus and instruments for accumulating electricity; batteries, especially rechargeable batteries; battery cells, especially rechargeable battery cells; battery management systems (electronic controls); battery boxes; battery packs; battery leads; battery chargers; photovoltaic apparatus and installations for generating solar electricity; photovoltaic cells (solar cells for electricity generation) and photovoltaic modules; solar cells for power generation, especially electric solar cells; inverters, especially photovoltaic inverters

Heaters, boilers; electric heating installations; thermal solar collectors for heating purposes; solar energy collectors for heating; solar energy powered heating installations; heat pumps, especially air-source heat pump water heaters; heat storage devices for heating; heat accumulators; thermal storage devices [solar energy] for heating

Heating contractor services; installation of heating installations; maintenance and repair of heating installations, especially solar energy powered heating systems; installation and maintenance of photovoltaic installations; installation of photovoltaic cells and modules

Storage of electricity

Technical design of heating installations; technical design of photovoltaic systems