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The FIAMM LM 420 battery (2V 468Ah) — is an open (flooded) OPzS battery cell, designed according to the DIN 40736 standard for industrial backup power systems. Thanks to the tubular positive plates, long service life of up to 20 years and exceptional reliability, the LM 420 is suitable for the most demanding systems — telecommunications, energy, oil and gas and railways.
Key advantages of the FIAMM LM battery
- Capacity of 468 Ah (at 10 h discharge) – ideal for large power banks
- 20 years of service life – one of the highest on the market
- OPzS DIN 40736 standard – guarantee of reliability and compatibility
- Tubular lead-antimony plates – for stability and low water consumption
- Easy visual check of electrolyte level
- High resistance to deep discharge
- Low self-discharge – efficient storage
Technological features
- Voltage: 2 V
- Capacity: 468 Ah @10H (1.80 VPC)
- Dimensions: 145×206×536 mm
- Weight with electrolyte: 32.7 kg
- Electrolyte volume: 7.2 l.
- Ventilated (not hermetic), mandatory maintenance
- Standards: DIN 40736, DIN 43539T5, DIN 40740, IEC 60896-11
Usage scenarios
- Industrial uninterruptible power supplies (UPS)
- Power substations and control systems
- Oil and gas infrastructure
- Automated railway and metro systems
- Data centers with high power requirements
- Objects where reliability and durability are critical
Service support in Ukraine
Total-Energo LLC — FIAMM supplier in Ukraine, provides full support: equipment selection, delivery, installation of OPzS battery banks, regular maintenance, audit, supply of electrolyte, ventilation and components.
High-quality charging and monitoring
We recommend:
- Victron Skylla-TG chargers or industrial DC chargers – with a profile for open lead-acid batteries
- BMV-712 Smart or Lynx Shunt VE.Can – precise parameter control
- DIN 40740 electrolyte level indicators – for monthly control
- BACS® or Victron GX monitoring systems – centralized management and monitoring