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What are solar batteries?
Solar batteries are devices designed to store the energy produced by photovoltaic panels. Thanks to them, it is possible to have electricity during the night, on cloudy days, or when there is no solar production. They are an essential component in off-grid self-consumption systems and also a backup solution in grid-connected installations.
Types of solar batteries available
- Open lead-acid batteries: economical, require maintenance, ideal for basic uses.
- AGM batteries: maintenance-free, durable, and with a good price-performance ratio.
- GEL batteries: longer lifespan, withstand deep discharges, perfect for homes and caravans.
- Stationary OPzS / OPzV batteries: long service life, recommended for demanding installations.
- Lithium batteries: the most advanced option, with higher energy density, fast charging, and more than 6000 cycles.
Advantages of solar batteries
- They provide energy autonomy and reduce dependence on the electrical grid.
- They ensure a continuous supply during the night or power outages.
- They offer significant savings on the electricity bill.
- There are options adapted for homes, businesses, caravans, marine, and industrial use.
Main applications
Batteries for solar panels are used in:
- Isolated residential installations or grid-connected systems with backup.
- Solar pumping and irrigation systems.
- Caravans, campers, and boats.
- Industrial and agricultural projects that require constant energy.
Key specifications to consider
| Voltage | 12V, 24V, 48V and High Voltage |
| Technologies | Open lead-acid, AGM, GEL, OPzS/OPzV, Lithium |
| Life cycles | From 500 to more than 6000 cycles depending on the model |
| Capacity | From 8Ah to more than 3000Ah |
| Applications | Residential, industrial, mobility, marine |
How to choose the right solar battery
The choice will depend on factors such as the voltage of your installation, frequency of use, budget, and whether you are looking for a maintenance-free system. For example, for an off-grid home, stationary OPzS batteries or lithium batteries are recommended. For caravans and boats, GEL or AGM are very practical options.
In summary, solar batteries are an essential component for storing energy and ensuring the operation of your photovoltaic system under any circumstances. Explore our categories and find the ideal battery for your project.
