21 kWh home battery

The Dawnice HZEB-LCT-20 is a robust home battery with a nominal energy capacity of approx. 20.99 kWh (about 21 kWh), designed to store large amounts of solar energy for residential use, but also applicable in small commercial systems. With a nominal voltage of 51.2 V and high-quality LiFePO₄ cells, this battery offers a reliable and durable energy storage solution.

Key features and benefits:

• Large energy capacity: approx. 20.99 kWh
• Technology: Lithium iron phosphate (LiFePO₄) battery packs for maximum safety, thermal stability, and long lifespan.
• Cycles & lifespan: ≥ 8000 cycles at 80% depth of discharge — designed for prolonged daily use.
• Efficiency: High charge and discharge efficiency, ensuring most stored energy remains usable.
• Security: Advanced Battery Management System (BMS) with multiple layers of protection and extensive certifications such as UN38.3, IEC62619, and CE-EMC.
• Integration and communication: Support for RS232/RS485/Can-bus communication with inverters and energy systems, making monitoring and control easy.
• Construction & mounting: Sturdy package with a weight of approx. 180 kg and dimensions around 650 × 265 × 973 mm. The battery can be installed on the floor.
• Operating temperature: Operating range from -10 °C to +50 °C, suitable for various climatic conditions.
• Warranty & reliability: Typically 5 years warranty with proven reliable performance over the product's lifespan.

Applications:
This 20 kWh battery is ideal for households looking to increase self-consumption of solar energy, reduce grid dependence, and achieve a reliable backup power supply for essential appliances during power outages.