Until now, the biggest problem of domestic PV systems, was the inability to store the energy produced by the sensor. Its because you can only use during the day and at night you should go to energy from the electric network.
the Situation changed with the appearance on the market of home battery Powerwall produced by the company Tesla. This compact battery designed to store energy from the mains or solar, and then pass it when it is most needed.
Elon Musk has presented the second generation of its product called Powerwall 2. A device about the size 115,06 x x 75,44 of 15.49 cm and weighing 122 kg might save 14 kWh of electricity. The effectiveness of the new link in case the AC is 89%. a DC, 91.8%.
the Battery is fully integrated with inverter and fitted it in the liquid cooling system, as well as software that in a smart way distributes the stored energy. The manufacturer provides a guarantee of 10 years, which includes an unlimited number of charge cycles.
Powerwall 2 can be sprzęgnięta control fotowoltaicznym and store energy produced by the units. It can also send to the mains, when we have power more than we need, providing the owner additional income.
Musk says that one such battery is very effective, as during the day to provide energy the house has two bedrooms.
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