Set consisting of 12 MVSV gel cells of 2V and 280Ah, supplied in 1 transport box. Allows battery banks to be configured with different voltages and capacities by means of series and parallel connections.
This set brings together 12 MVSV gel cells, each with a nominal voltage of 2V and a capacity of 280Ah at the C10 rate. It is intended for stationary systems requiring a high storage capacity, continuous operation and flexibility to adapt the battery bank to the electrical requirements of the installation.
The standard configuration connects the 12 cells in series to obtain a 24V and 280Ah bank. Other combinations can also be made by means of series and parallel connections. For example, two strings of 6 cells connected in parallel give 12V and 560Ah, while three strings of 4 cells give 8V and 840Ah. In a series connection the voltages are added and the capacity is maintained; in parallel the voltage is maintained and the capacities are added.
To ensure balanced operation, all connected cells must be of the same range, model, capacity and state of charge. New cells must not be mixed with used units.
Valve-regulated lead-acid technology keeps the electrolyte immobilised in gel and does not require topping up with water. The cells can be installed in a vertical or horizontal position, always with the same orientation within the bank. When installed horizontally, they must each be supported on a suitable rack over their entire surface.
The 12 cells are supplied in 1 transport box.
Main features
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Set of 12 gel cells from the MVSV range.
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Standard configuration of 24V and 280Ah.
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Possibility of creating other combinations by means of series and parallel connections.
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Valve-regulated lead-acid technology.
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Electrolyte immobilised in gel.
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No need to top up with water.
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Installation permitted in a vertical or horizontal position.
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Suitable for high-capacity stationary systems.
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Approximate self-discharge of 2% per month at 20°C.
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Supplied in 1 transport box.
Technical specifications
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Range: MVSV.
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Technology: valve-regulated lead-acid with gel electrolyte.
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Number of cells: 12.
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Nominal voltage per cell: 2V.
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Nominal capacity per cell: 280Ah at C10, down to 1.8V per cell at 20°C.
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C10 discharge current per cell: 28A.
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Standard configuration: 24V and 280Ah.
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Number of terminal pairs per cell: 1.
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Internal resistance per cell: 0.79m?.
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Short-circuit current per cell: 2700A.
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Float voltage: 2.30V per cell at 25°C.
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Float voltage for the standard 24V configuration: 27.6V.
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Absorption voltage: 2.38V per cell at 25°C, for a maximum of 5 hours.
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Absorption voltage for the standard 24V configuration: 28.5V.
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Charge temperature compensation: ?5mV/°C per cell.
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Charge compensation for the standard 24V configuration: ?60mV/°C.
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Recommended charge current: between 10A and 50A per 100Ah of nominal capacity.
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Operating temperature: from ?20°C to 45°C.
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Nominal operating temperature: from 10°C to 30°C.
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Recommended operating temperature: 20°C.
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Maximum absolute temperature: 55°C.
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Storage temperature: from ?40°C to 55°C.
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Maximum dimensions per cell: 126 × 208 × 399mm.
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Case height without terminals: 357mm.
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Installed length per cell: 135mm.
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Approximate weight per cell: 23kg.
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Approximate total weight of the 12 cells: 276kg.
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Terminals: F-M8.
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Tightening torque for M8 connections: 20 ± 1Nm.
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Case material: styrene-acrylonitrile copolymer.
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Case flammability rating: UL 94 HB.
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Recommended minimum spacing between cells: 10mm.
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Recommended maximum temperature difference between cells: 3°C.
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Installation position: vertical or horizontal.
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Approximate self-discharge: 2% per month at 20°C.
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