La Tesla Power Wall 2 is the second generation of the renowned energy storage battery designed by Tesla. This battery has stood out for offering greater storage capacity than its previous version, making it a key tool for those looking to improve the sustainability of their homes using solar energy. Tesla has managed to perfect its technology, improving a product that was already considered innovative.
The Tesla Powerwall 2 integrates with solar energy systems, allowing excess energy generated during the day to be stored and used at night or during times of low production. Its ability to reduce dependence on the electrical grid makes it an excellent option for households looking to supply themselves with clean energy.
Tesla Powerwall 2, a comprehensive home energy solution
The lithium ion battery Tesla Power Wall 2 is designed for both homes and small businesses, doubling the capacity of the first version. The original Powerwall could store up to 6,4 kWh, while the Powerwall 2 reaches 13,5 kWh.
One of the most important aspects of this new version is that it includes a power inverter integrated, which makes it easy to convert stored DC energy into AC energy, which is needed for use in appliances and other household devices. This makes the Powerwall 2 installation more efficient and less complicated, as well as adaptable to different energy needs.
Thanks to its high capacity and efficiencyThe Tesla Powerwall 2 is capable of powering an average-sized home (with 2-3 bedrooms) for an entire day. Additionally, its compact and modular design allows multiple units to be installed in parallel to meet higher energy demands. This is especially useful for those with larger solar installations who want to maximize their energy savings.
Advantages of the Tesla Powerwall 2 battery
Maximizing the potential of solar energy
The Tesla Powerwall 2 storage system allows solar system owners to store excess energy generated during the day, which would otherwise be lost by being fed into the grid. This not only maximises the performance of the solar panels, but also allows the generated energy to be used at any time of the day or night, regardless of the weather conditions.
Even in solar installations that do not have a battery, the Tesla Powerwall 2 is a significant improvement, ensuring that none of the energy generated is wasted.
Independence from the electricity grid
Combining Tesla Powerwall 2 batteries with solar PV systems can make a home less dependent on the power grid. This not only reduces costs on bills, but also provides greater energy independenceAdditionally, in areas where power outages are frequent, the Powerwall 2 can serve as a reliable backup, ensuring your home continues to function normally.
Protection against power outages
In case of power outages, the Tesla Power Wall 2 provides enough power to keep essential appliances running, such as lights, refrigerator, and even communication systems like Wi-Fi. Tesla Backup Gateway 2 is an essential accessory that connects to the Powerwall system and monitors energy usage, ensuring that priority appliances continue to operate during a power outage.
Unbeatable value for money
With a capacity of 13,5 kWh and a starting price of €6300, the Tesla Power Wall 2 is positioned as one of the most competitive options on the market in terms of cost per kWh of storage. Thanks to this, it is an attractive option even compared to other competitors such as LG Chem RESU or Axitec AXIStorage, which, although they offer good features, do not achieve the same quality-price ratio.
Tesla Powerwall 2 operation
The operation of the Tesla Powerwall 2 is simple but effective. It is available in two versions:
- Powerwall 2 AC, which includes the inverter to work with alternating current.
- Powerwall 2 DC, which can be connected to external inverters, facilitating its integration with other solar systems.
In installations with alternating current, the Tesla Powerwall Gateway manages the communication between the battery, the grid and the household consumption. The battery is charged with solar energy when there is a surplus, and in times of low generation (for example, during the night), the energy stored in the battery is used to supply the household needs. In case more energy is needed than the battery can provide, the system is supplemented with energy from the grid.
Off-grid systems with Powerwall 2
In addition to its operation in grid-connected systems, the Powerwall 2 DC It is designed for isolated systems where there is no connection to the electrical grid. This type of installation is ideal for remote locations or for those seeking total independence from conventional electricity supply.
The Powerwall DC system can be integrated with inverters from manufacturers such as SMA, Fronius or Solaredge. This option ensures that the battery operates in optimal conditions, even in extreme climates, with operating temperatures ranging from -20 °C to 50 °C.
Tesla Powerwall 2 Technical Specifications
- Capacity: 13,5 kWh
- Depth of discharge: 100%
- Efficiency: 90% complete cycle
- Power: 7 kW peak / 5 kW continuous
- Warranty: 10 years
- Scalability: Up to 9 units in parallel
- Installation: Floor or wall mounting. IP67
- Weight120 kg
- Certification: Complies with UL and IEC regulations
- Refrigeration: Liquid
La Tesla Power Wall 2 not only stands out for its capacity and efficiency, but also offers an affordable and reliable solution for homes looking to optimize their solar energy consumption. With its ability to operate in both grid-connected and isolated systems, it represents a versatile solution adapted to different energy needs.