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The FIAMM 2SLA620 battery (2V 620Ah) — is a high-performance VRLA AGM cell with a nominal voltage of 2V and an impressive capacity of 620Ah, designed for use in the most critical and responsible power systems. Designed for horizontal installation, it provides maximum reliability and safety for energy, telecommunications, transport and data center facilities.
Key advantages of the 2SLA620 AGM battery
- Capacity of 620Ah at 2V – for powerful power banks
- Over 12 years of service – Eurobat “Very Long Life” class
- AGM VRLA technology – sealed, maintenance-free, recombining
- UL94 V0 flameproof housing – maximum safety and resistance to thermal effects
- Operates without electrolyte refilling throughout the entire service life
- Compatible with Bellcore and Telcordia GR-4228 – for American and international telecom standards
- Optimized to reduce self-discharge – retains charge during long-term storage
Technological features
- Voltage: 2 V
- Capacity: 620 Ah (at 10H discharge)
- Dimensions: 308×174×247 mm
- Weight: 36 kg
- Lead-calcium-tin grid for durability
- Housing material: fire-resistant ABS UL94 V0
- Compliance: IEC 60896-21/22, Eurobat, Telcordia, UL
Usage scenarios
- Large capacity power banks (DC systems 48V, 110V, 220V)
- Centralized uninterruptible power supplies (UPS)
- Critical infrastructure facilities
- Energy and electrical substations
- Communication systems (operator nodes, amplifiers)
- Automated railway systems, airports, data centers
Service support in Ukraine
Total-Energo LLC provides full technical support in the design, supply, installation and maintenance of battery systems based on FIAMM SLA. We work with energy companies, telecom providers, government agencies and industrial enterprises. We carry out cable selection, bank balancing, BACS monitoring and installation in protected cabinets.
High-quality charging and monitoring
For maximum reliability and durability of 2SLA620, we recommend:
- Victron Skylla-IP65, Skylla-TG industrial chargers– with the ability to fine-tune voltage and current
- SmartShunt 1000A or Victron Lynx Shunt VE.Can – for powerful systems
- BACS® or Victron Cerbo GX – centralized battery bank monitoring
- BatteryProtect high power / automatic protection – against deep discharge