The RITAR OPzV 2-420 sealed gel battery combines Tubular Plate technology with immobilized electrolyte, delivering exceptional reliability and performance. Designed for use in extreme conditions while maintaining consistent performance throughout its lifespan. Technical parameters: - Type: VRLA (valve-regulated) with gel electrolyte - Voltage: 2V - Nominal capacity: 420Ah (10-hour discharge to 1.80V at 25°C) - Internal resistance: ≤0.75 mΩ (full charge, 25°C) - Terminals: F10 (M8), tightening torque 10-12 N m - Peak discharge current: 1700A (5 seconds) - Service life: 25 years (buffer mode) - Maximum charging current: 84.0A - Reference capacities: - C₃: 315.0Ah - C₅: 357.0Ah - C₁₀: 420.0Ah - C₂₀: 450.0Ah - Charging voltages: - Buffer mode: 2.27-2.30V (compensation -3mV / °C) - Cyclic mode: 2.37-2.40V (compensation -4mV / °C) - Temperature range: - Operating: -40°C to +60°C (discharge), 0°C to +50°C (charge) - Storage: -40°C to +60°C - Self-discharge: <2% / month at 20°C - Dimensions: 145x206x470 mm (total height 505 mm) - Case: impact-resistant A.B.S. plastic Applications: 1. Telecommunication systems: - 5G base stations - Critical infrastructure communication nodes 2. Energy solutions: - Hybrid solar power plants - Backup systems for data centers 3. Industrial applications: - Life support medical equipment - Emergency systems in hazardous industries Operational advantages: - 1200 cycles at 50% depth of discharge - Operation in extreme conditions (high altitude, deserts) - Completely sealed - can be installed in residential premises - Compliance with international DIN and ISO standards Manufacturer's warranties: - Design life of 25 years - Vibration resistance (up to 4G) - Protection against terminal corrosion This model is optimal for systems where energy capacity, long service life and uninterrupted operation in any climatic conditions are critical. Recommended for professional use in critical infrastructure projects.