🔋 Key Features
The Volnex S7 LiFePO₄ 21.31 kWh 576V Lithium-Ion Battery is a high-capacity energy storage solution designed for residential and commercial solar installations. It offers enhanced energy independence and backup capabilities, making it suitable for areas with frequent power outages or for users aiming to maximize their self-consumption of solar energy.
Nominal Energy Capacity: 21.31 kWh
Usable Energy: Approximately 20.2 kWh
Nominal Voltage: 576 V
Operating Voltage Range: Typically 500 V – 640 V
Nominal Capacity: Approx. 37 Ah
Battery Chemistry: Lithium Iron Phosphate (LiFePO₄)
Cycle Life: ≥6,000 cycles at 80% Depth of Discharge (DoD)
Weight: Approx. 230 – 250 kg
Dimensions: 504 mm (W) × 380 mm (D) × 900 mm (H)
Protection Rating: IP54 (dust protected and splash resistant)
Operating Temperature Range: 0°C to 50°C
Communication Interfaces: CAN, RS485
Battery Management System (BMS): Integrated, for safety and cell balancing
Installation: Indoor or semi-outdoor with adequate ventilation
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