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Electric batteries for your home

Published by QTEC at March 9, 2020

Taking advantage of the fact that last month Tesla announced that its solar tile system for electrical installations would soon be available in Valencia and Spain, we are going to analyze in depth one of the essential and necessary elements for the electrical system to work perfectly and to have electrical current whenever our home or business electrical installation requires it. This element of the electrical installation is the accumulator of electrical energy, that is, the battery.

Today, there are several brands that offer electric batteries, among them is Tesla. We will first analyze Tesla’s, which has its own name: Powerwall.

It should be said that they are already going for version 2, and it is this same one that we are going to analyze all its characteristics. The version 2 of this electric battery doubles in capacity to its predecessor. Let’s start with a technical list of the main specifications of this electric battery.

  • Capacity: 13.5 kWh
  • Depth of discharge: 100%.
  • Efficiency: 90 % full cycle
  • Power: 7 kW peak / 5 kW continuous
  • Compatible applications:
    • Self-consumption with solar energy
    • Load switching by time of use
    • Book
    • Independence from the power grid
  • Warranty: 10 years
  • Scalability: Up to 9 Powerwall units can be connected in parallel to supply power to homes of any size.
  • Operating temperature: -20 °C to 50 °C
  • Dimensions: L x W x D: 1150 mm x 755 mm x 155 mm
  • Weight: 120 kg
  • Installation: Floor or wall mounting. Its durable cover protects it against water or dust and allows it to be installed both indoors and outdoors (IP67).
  • Certification: UL and IEC certifications. Complies with the regulations of the electrical network.
  • Safety: protected against any risk to touch. No loose cables or ventilation holes.
  • Liquid cooling: The liquid thermal regulation system regulates the internal temperature of the Powerwall to maximize battery performance in any environmental condition.

 

The capacity is an amazing 13.5 kWh with a power of 5 kW continuous and up to 7 kW peak! The guarantee is 10 years and the installation can be done on the floor or wall and both indoors and outdoors, as it is completely protected with an IP67 level.

To get a practical idea, the battery has enough electrical capacity to power the electrical system of an average 2 or 3 bedroom house for 24 hours at a time. At the same time, it is very compact and has a very nice and modern design. It is also scalable, so we can mount up to 9 modules in case we have to supply the electrical installation of a house or commercial premises of larger dimensions and with higher electrical consumption.

The electrical battery itself contains a very powerful current inverter that converts the electrical energy stored in direct current into alternating energy, which is what we use and runs through our entire electrical installation.

The most important advantages and uses of this system are several; we will be able to obtain electrical independence of the electrical network, we will take out more utility to our system of solar panels since the exceeded energy is not lost and we will protect our home of cuts of electrical light protecting electrical equipment like the refrigerator, the vitroceramic or the Internet.

Last but not least, it is worth mentioning that the price in Valencia will be around 6000 euros approximately, and this makes it one of the most affordable systems per kWh of installed capacity in the electrical installation.

 

We say goodbye with a video presentation of this great innovation and that can be in a medium term a standardized system commonly used in all homes in Valencia and Spain.

If you are thinking of doing a photovoltaic electric installation, leave it in the hands of good professionals since they are installations that it is in your interest to make them last for many years in order to make them profitable.

If you need advice or any kind of help, remember that you can contact with us at any time.

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Entradas recientes

  • QTEC reports: Covid-19
  • Protection of electrical installations
  • Electric batteries for your home
  • Tips to reduce electricity consumption

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