Set consisting of 12 MVSV gel cells, 2V and 1000Ah, supplied in 2 transport crates. It allows 12V or 24V battery banks to be configured by means of series and parallel connections.
This set comprises 12 gel cells from the MVSV range, each with a nominal voltage of 2V and a commercial capacity of 1000Ah. It is intended for high-capacity stationary systems requiring reliable energy storage, continuous operation and flexibility to adapt the battery bank to the electrical characteristics of the installation.
The standard configuration connects the 12 cells in series to obtain a 24V bank with a nominal 998Ah. They can also be arranged as two strings of 6 cells connected in parallel to configure a 12V bank with a nominal 1,996Ah.
In a series connection the voltages are added and the capacity remains the same. In parallel the voltage remains the same and the capacities are added. To ensure balanced operation, all connected cells and strings must be 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 requires no water topping up. The cells can be installed in a vertical or horizontal position, always with the same orientation within the bank. In horizontal installations, each unit must be individually supported on a suitable rack over its entire surface.
The 12 cells are supplied in 2 transport crates.
Main features
- Set of 12 gel cells from the MVSV range.
- 24V configuration by connecting the 12 cells in series.
- Possibility of configuring a 12V bank by means of two strings connected in parallel.
- Valve-regulated lead-acid technology.
- Electrolyte immobilised in gel.
- No need for water topping up.
- Designed for high-capacity stationary systems.
- Installation permitted in a vertical or horizontal position.
- Approximate self-discharge of 2% per month at 20°C.
- Supplied in 2 transport crates.
Technical specifications
- Range: MVSV.
- Technology: valve-regulated lead-acid with gel electrolyte.
- Number of cells: 12.
- Nominal voltage per cell: 2V.
- Commercial capacity per cell: 1000Ah.
- Nominal technical capacity per cell: 998Ah at C10, down to 1.8V per cell at 20°C.
- C10 discharge current per cell: 99.8A.
- 24V configuration: 998Ah nominal.
- 12V configuration: 1,996Ah nominal.
- Number of terminal pairs per cell: 2.
- Internal resistance per cell: 0.38m?.
- Short-circuit current per cell: 4850A.
- Float voltage: 2.30V per cell at 25°C.
- Float voltage for the 24V configuration: 27.6V.
- Absorption voltage: 2.38V per cell at 25°C, for a maximum of 5 hours.
- Absorption voltage for the 24V configuration: 28.5V.
- Temperature charge compensation: ?5mV/°C per cell.
- Charge compensation for the 24V configuration: ?60mV/°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: 212 × 193 × 690mm.
- Case height without terminals: 648mm.
- Installed length per cell: 221mm.
- Approximate weight per cell: 66kg.
- Approximate total weight of the 12 cells: 792kg.
- 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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