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The FIAMM LM/S 2550 battery is a highly reliable OPzS 2V 2550Ah battery with liquid electrolyte, designed specifically for operation in solar, wind and hybrid energy storage systems. Thanks to tubular plates with low antimony content and long service intervals (up to 3 years between refills), the LM/S 2550 model provides a long service life, high cyclic stability and minimal operating costs.
Key advantages of the FIAMM LM/S battery
- Capacity 2550 Ah (at 120 h discharge, 1.85 V/cell) – super-powerful energy storage
- Up to 20 years of service life – with proper maintenance
- Optimized for cyclic loading– ideal for solar energy
- Tubular lead-antimony plates – stability, long service life
- Low water consumption – topping up every 3 years in buffer mode
- 100% recyclable – ecological solution
- Possibility of installation in open cabinets and battery rooms
Technological features
- Voltage: 2 V
- Capacity: 2550 Ah at 120H (1.85 VPC, 20°C)
- Dimensions: 214×399×837 mm
- Weight with electrolyte: 144 kg
- Electrolyte volume: 36.5 l
- Ventilated (flooded) type — maintenance required
- Standards: IEC 61427, DIN 40736, DIN 43539T5, IEC 60896-11, DIN 40740
Usage scenarios
- Solar power plants (off-grid, hybrid)
- Energy storage systems for wind turbines
- Industrial facilities with high peak loads
- Autonomous power supply for mountainous areas, rural networks, telecom nodes
- Backup power supply for railways, pumping stations, military infrastructure bases
Service support in Ukraine
LLC «Total-Energo» — provides full support for battery systems based on FIAMM LM/S: selection, installation, scheduled maintenance, supply of electrolyte and ventilation, integration with Victron, SMA, Schneider inverters. We provide service throughout Ukraine.
High-quality charging and monitoring
- Victron Skylla-TG / Phoenix Smart Charger industrial chargers – with a profile for OPzS batteries
- BMV-712 Smart / Lynx Shunt VE.Can / SmartShunt 1000A – for current control
- BACS® or Victron GX monitoring systems – centralized battery bank management
- Electrolyte level sensors (DIN 40740) – mandatory for monitoring during operation