Set consisting of 24 MVSV 2V 500Ah gel cells, supplied in 2 transport boxes. Allows 12V, 24V or 48V battery banks to be configured by means of series and parallel connections.
This set brings together 24 gel cells from the MVSV range, each with a nominal voltage of 2V and a commercial capacity of 500Ah. It is intended for high-capacity stationary systems that require reliable energy storage, continuous operation and flexibility to adapt the battery bank to the electrical characteristics of the installation.
Connecting the 24 cells in series allows a 48V, 499Ah nominal bank to be configured. They can also be arranged in series-parallel configurations to increase capacity while maintaining a lower voltage:
- One series of 24 cells: 48V and 499Ah nominal.
- Two series of 12 cells in parallel: 24V and 998Ah nominal.
- Four series of 6 cells in parallel: 12V and 1,996Ah nominal.
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 series must include the same number of cells and use units of the same range, model, capacity and state of charge. New cells must not be combined 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 throughout the bank. In horizontal installations, each unit must be individually supported on a suitable rack along its entire surface.
The 24 cells are supplied in 2 transport boxes.
Main features
- Set of 24 gel cells from the MVSV range.
- 48V configuration by connecting the 24 cells in series.
- Possibility of configuring 24V or 12V banks by means of series-parallel connections.
- Valve-regulated lead-acid technology.
- Electrolyte immobilised in gel.
- No need to top up with water.
- Designed for high-capacity stationary systems.
- Installation permitted in a vertical or horizontal position.
- Self-discharge of approximately 2% per month at 20°C.
- Supplied in 2 transport boxes.
Technical specifications
- Range: MVSV.
- Technology: valve-regulated lead-acid with gel electrolyte.
- Number of cells: 24.
- Nominal voltage per cell: 2V.
- Commercial capacity per cell: 500Ah.
- Nominal technical capacity per cell: 499Ah at C10, down to 1.8V per cell at 20°C.
- C10 discharge current per cell: 49.9A.
- 48V configuration: 499Ah nominal.
- 24V configuration: 998Ah nominal.
- 12V configuration: 1,996Ah nominal.
- Number of terminal pairs per cell: 1.
- Internal resistance per cell: 0.53m?.
- Short-circuit current per cell: 3950A.
- Float voltage: 2.30V per cell at 25°C.
- Float voltage for the 48V configuration: 55.2V.
- Absorption voltage: 2.38V per cell at 25°C, for a maximum of 5 hours.
- Absorption voltage for the 48V configuration: 57V.
- Charge temperature compensation: ?5mV/°C per cell.
- Charge compensation for the 48V configuration: ?120mV/°C.
- Recommended charge current: between 10A and 50A per 100Ah of nominal capacity.
- Operating temperature: from ?20°C to 45°C.
- Nominal operating temperature: from 10°C to 30°C.
- Recommended operating temperature: 20°C.
- Maximum absolute temperature: 55°C.
- Storage temperature: from ?40°C to 55°C.
- Maximum dimensions per cell: 147 × 208 × 515mm.
- Case height without terminals: 473mm.
- Installed length per cell: 156mm.
- Approximate weight per cell: 35kg.
- Approximate total weight of the 24 cells: 840kg.
- Terminals: F-M8.
- Tightening torque for M8 connections: 20 ± 1Nm.
- Case material: styrene-acrylonitrile copolymer.
- Case flammability rating: UL 94 HB.
- Recommended minimum spacing between cells: 10mm.
- Recommended maximum temperature difference between cells: 3°C.
- Installation position: vertical or horizontal.
- Approximate self-discharge: 2% per month at 20°C.
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