The RITAR OPzV 2-490 battery is a reliable solution for backup and cyclic power supply. Thanks to GEL technology and tubular plates, it delivers high performance and a long service life. The battery complies with DIN standards and is designed to operate in extreme conditions, including a wide temperature range. Ideal for: - Telecom systems - Solar and wind power systems - Uninterruptible power supplies (UPS) - Industrial equipment - Medical facilities - Emergency lighting Specifications: - Voltage: 2V - Nominal capacity: 490Ah (10-hour discharge mode to 1.80V at 25°C) - Internal resistance: ≤0.7mΩ (fully charged, 25°C) - Maximum discharge current: 2000A (5 sec) - Service life: 25 years (buffer mode) - Maximum charge current: 98.0A - Charge mode: - Buffer: 2.27–2.30V / cell (25°C, compensation -3mV / °C) - Cyclic: 2.37–2.40V / cell (25°C, compensation -4mV / °C) - Temperature range: - Discharge: -40°C to 60°C - Charge: 0°C to 50°C - Storage: -40°C to 60°C - Self-discharge: less than 2% per month at 20°C - Terminals: F10 (M8) - Weight: ~38 kg (tolerance ±5%) - Dimensions: 166±2 mm (length) × 206±2 mm (width) × 470±2 mm (height), total height with terminals - 505±2 mm - Terminal torque: 10–12 N m Additional data: - Cyclic resource: up to 1200 cycles at 50% depth of discharge - Capacity dependence on temperature: at -20°C retains ~40% of capacity, at 50°C - ~120% - Storage: up to 6 months at 25°C without recharging Advantages: - High reliability and durability - Resistance to deep discharges - Minimum maintenance - Wide operating temperature range The RITAR OPzV 2-490 battery is the optimal choice for systems that require a stable and long-term power supply.