Huawei LUNA2000-21-S1 - 21kWh storage package

🔋 Capacity and Power

Nominal (usable) capacity: ≈ 20.7 kWh — available energy for consumption and backup power.

Configuration: 3 battery modules, 6.9 kWh each.

Maximum charge/discharge power: ≈ 10.5 kW (with three modules).

Depth of discharge (DoD): 100% — almost the entire capacity can be utilized.

⚡ Electrical Parameters and Compatibility

Nominal Operating Voltage Range:
• Single-phase system: 350–560 VDC
• Three-phase system: 600–980 VDC

Inverter Compatibility: Suitable for a wide range of Huawei SUN2000 inverters (MAP0, M1, MB0, etc.).

Communication interfaces: RS485, FE, CAN for inverter communication and status monitoring via FusionSolar.

🛡 Safety and Design

Cell technology: lithium iron phosphate (LiFePO₄) – safe and durable chemistry.

Protection rating: IP66 – protection against dust and powerful water jets.

Cooling: natural convection, low noise (< 29 dB).

Operating temperature range: approximately -20°C to +55°C.

Operating altitude: up to ~4000 m (with reduced power at higher altitudes).

📏 Dimensions and weight

Dimensions (W × D × H): approximately 590 × 255 × 1230 mm.

Weight: approximately 216 kg (with mounting kit).

📈 Scalability and Capabilities

Scalability: Up to 4 groups (≈ 82.8 kWh) in a single system when operating in parallel.

Applications: Self-consumption optimization, nighttime energy use, and backup power when combined with compatible inverters.

🏠 Applications and Features

✔ High usable capacity for homes or small businesses.
✔ Backup power capability (with a supporting inverter).
✔ Integration with the FusionSolar monitoring system for battery health, SOC, and management.
✔ Modular design facilitates installation and expansion.