Maintenance-free lead acid batteries are made in the AGM technology (electrolyte trapped in a glass fiber separators of high porosity). They are equipped with one-way security valves – VRLA.
The main advantage of this type of battery is a high degree of safety during operation due to their tightness and low maintenance.
Batteries of this type should be limited to emergency power supply in: UPS units, call centers, DC power stations, access control and alarm systems, emergency exit lighting and photovoltaic systems.
Other applications: telecommunications, energy, industry, medicine.
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