The PowerWall 3 has finally been marketed in France for a few days. This system combines a lithium-ion battery, an integrated solar inverter and an intelligent manager. It fits both in an existing photovoltaic installation and a conventional network. In other words, it stores the electricity produced during the day by solar panels, for use in the evening or during the hours of high demand.
A big battery not given
The device offers a storage capacity of 13.5 kWh. According to Tesla, this is enough to fully supply a house, including energy -consuming equipment such as heating, air conditioning, or large household appliances. The maximum output power reaches 11.04 kW, which makes it a solution capable of dealing with a significant demand, such as the start of an electric motor (up to 185 at LRA).
Energy management is done automatically, but can also be adjusted via the manufacturer’s mobile application. A function called “Time-Based Control Mode” allows for example to load the battery from the network when the electricity is the cheapest (off-peak hours), and to use it when the prices climb (full hours). A tip that will particularly interest homes subjected to a variable rate.
In addition to optimizing invoices, the PowerWall 3 provides a rescue food role. It automatically takes over in the event of a power failure, which guarantees continuity of service for the entire household. According to Tesla, ” Owners can save up to € 1,010 per year By combining this battery with a solar installation.
The brand also highlights the sustainability of its product: the PowerWall 3 operates between -20 ° C and 50 ° C, withstands high humidity, and can even continue to operate after an immersion under 60 cm of water. Its cooling system is directly inspired by that of Tesla electric cars, which should ensure good performance even in extreme conditions.
But this technology has a Price: count € 6,450 excluding taxes for the battery alone, to which must be added the Getaway control box (€ 1,150 excl. Enough to brake the households in the small budget, despite the potential savings.
The fact remains that the PowerWall 3 is part of a substantive trend: that of more local, smarter, and less dependent energy production and energy. For owners equipped with solar panels, Tesla’s device may well become a precious ally provided that he can amortize it over time.
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