Photovoltaics transforms sunlight into electricity, for green energy and free. But how can we continue to eat for free and in an eco -sensitive way in the absence of the sun? With a solar panel battery! When installing the sun kit, the individual adds an element of storage to obtain further autonomy. The battery therefore deals when the photovoltaic panels produce more electricity than the house consumes it. It downloads to restore the energy stored at the right time. On the isolated site or not, lead or lithium, 12 V or 24 V … enlarge the different types of batteries.
Why include a battery in your sun kit?
When you buy your sun kit, it is important to verify that it includes all essential equipment for the production of electricity. Note: photovoltaic panels, inverters and wiring. For a turnkey service, our company also offers the management of administrative procedures and the installation of the roof of the solar kit by a professional. With these elements, you are equipped for cars -explore the electricity of renewable origin. To go further in your search for energy autonomy and in your ecological approach, you can also opt for a photovoltaic battery.
Store unused electricity
Solar light allows solar panels to produce electricity used to power the house electricity grid. The production of energy depends on several factors: the power and the number of panels on the one hand, the roof sun on the other side. The more the sun radiates on the roof, the greater the installed power, the greater the electric photovoltaic installation. Sometimes in proportions such as the quantity produced is greater than the quantity consumed by the house. In these conditions, what to do with the surplus of green electricity? To make sure to take advantage of a renewable origin of origin, the solar energy manufacturer has 2 solutions:
- Sell your electricity by injecting the surplus of its production on the network.
- Store the electricity produced and not consumed thanks to a battery.
1era The option allows you to offer an additional income, while 2th It aims to win the manufacturer independently by storing his excess electricity production in a photovoltaic battery. Therefore, it offers the possibility of using it when the sun does not allow photovoltaic panels to produce energy.

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Restores the stored energy
In good weather, solar radiation grows from traineeing to the peak of the sun, then decreases up to sunset. Under these conditions, the quantity of electricity produced thanks to the photovoltaic panels increases and therefore decreases during the day. Around 13:00, with a good weather, the production is maximum – and often more important than domestic energy needs. At night, the electrical production of the panels is zero. Without the photovoltaic battery, it is impossible to eat in auto electricity -proper once the sun is mentioned. In addition, the individual must partially use the network when the light falls and the production of panels does not cover all the consumption of the house: the network provides the extra. The battery for the photovoltaic solar panel allows you to preserve the surplus obtained in the maximum sunshine to return it when the sun decreases: in the evening, at night and in the event of unfavorable weather conditions.
Loading of the battery and exhaust cycle during the day
Information on Solar Earth As observed in the above scheme, it is difficult to be able to offer the autonomy of total energy without changing their consumption habits. It is technically possible but requires an investment in solar panels and battery that is not economically justified.
Battery or not, the network necessarily takes on a small part of the day. The amount of electricity supplied by the network, however, decreases considerably when the solar panel battery system is intelligently restoring the surplus of electricity production. We recommend a storage capacity from 6 to 12 kWh for a house from 90 to 160 m². On the diagram above, by illustration: the storage battery allows you to eat exclusively in green electricity from 16:00. At midnight or 8 hours of free energy supply. In this context, the battery is advantageous:
- Consume almost exclusively green and free electricity.
- On the isolated site, to be provided electricity without even being connected to the public distribution network.
Pow your home with green electricity in the absence of sun
At night, in case of bad weather, but also in the event of a network failure that has occurred due to exceptional weather conditions, the only solution to provide your home for free electricity is the storage battery. By opting for the storage of the production surplus, the manufacturer earns autonomy, making significant savings on its electric bill.
The battery, essential to be independent on the isolated site
The battery for the photovoltaic solar panel is essential on the isolated site, i.e. not connected to the public electricity network. When the building is not connected to the public network – this is particularly true for some high mountain chalets – the supply of electricity at all times and at any time it is largely favored by the implementation of a powerful photovoltaic installation with which to associate a photovoltaic battery, for a total consumption of cars.
Information on Solar Earth Beyond the building on the isolated site, the battery has long been widely used to preserve its electricity in vehicles with a housing vocation: boat, campers, caravans … This type of vehicle requires a sunbathing kit of less energy, to the extent that boats, fireplaces and caravans are equipped with a limited amount of electrical devices.
Boper building of the solar terrain equipped with 750 m² with photovoltaic panels and a battery
Lithium or lead: what technology to choose?
The lithium Tesla battery is subject to significant media coverage. But what about sunscreen with lead, frost or agm? To better choose your conservation technology of photovoltaic electricity, discover the different types of models.
Batteries for the lead solar panel
Lead batteries, recommended on isolated sites – vehicles and boats – and in the case of daily loading and unloading, are available in different models with more or less advanced technologies.
- The open lead battery: very robust, provided that you are the subject of meticulous and regular maintenance, it stands out for its long life of 10 years for most models
Note: the deeper the discharge, the more the duration of life decreases. Please note, emits hydrogen vapor and acids and proves sensitive to the risk of frost.
- The AGM waterproof battery: this battery is waterproof, which offers the advantage of safety. However, its number of cycles is more limited.
- The battery has tilt on the frost battery: the most advanced version of the lead battery offers resistance, safety and the best longevity and does not require maintenance.
Solar earth tip As part of a search for a low cost battery of the solar panel with great storage capacity, it promotes open lead technology.
Lithium batteries
The Teslary Solar Panel battery head, lithium technology is looming as the best solution of accumulation of photovoltaic energy. Effective over time, without maintenance, non -toxic and recyclable, this battery has a higher price. Considerable progress is made on the different variants of the lithium battery known as «Li-ion» for Ionian lithium, in particular under the guidance of the automotive industry. In addition to Tesla, recently arrived on the market, the main world producers are LG, Sony, Samsung.
Information on Solar Earth The duration of lithium and lead battery depends on the loading and unloading cycle. For an optimal number of cycles, it is important to avoid excessive loads and deep exhausts. For this purpose there are regulators.
12 V or 24 V battery batteries
When you choose the battery, you should question its 2 main technical characteristics.
- Storage voltage. To choose between a battery for a 12V, 24 V or 48 V sunbread panel, it is necessary to take into account the installed energy: the greater the consumption of electricity, the greater the voltage.
- Battery storage capacity for solar panel and sizing of photovoltaic installation. To properly size its batteries for solar panels, it is essential to set the adequate storage capacity, in time of amplifiers or in Watt hours. The more electricity consumption, more autonomous you want to be the ability of the sunflower must be high.
To choose the battery for the solar panel, in order to benefit from an adapted storage accessory, it is recommended to add the advice of a qualified photovoltaic company. Likewise, the installation of the solar battery must be performed carefully.
Earn energy autonomy: at what price?
Central element of the choice of photovoltaic installation, the battery price for the solar panel varies according to its characteristics: lead or lithium technology, tension and storage capacity. To benefit from the best price for the battery for the photovoltaic solar panel, while benefiting from sufficient quality, it is important to carry out different quotes with professionals. In any case, it may be interesting to opt for an all -inclusive offer by providing a single company for all equipment.
Produce and preserve its electricity for greater autonomy
For a turnkey service and maximum autonomy, the sunny land may include a battery for photovoltaic technology of the solar-lithium panel in the sun kit. For more information, do not hesitate to contact us!
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