Maximum energy storage for ultimate independence De Huawei LUNA2000 S1 21kWh is the most powerful variant of the LUNA2000 series. With a usable capacity of 20,7 kWh and a maximum charge/discharge capacity of 10,5 kW this system offers unmatched performance for large households, businesses or demanding applications. Thanks to its modular design, silent operation and intelligent communication, this home battery system is ready for the future of sustainable energy – flexible, safe and scalable. ⚡ Key Benefits of Huawei LUNA2000 S1 21kWh Usable battery capacity: 20,7 kWh Maximum power: 10,5 kW 100% depth of discharge: full utilization of stored energy Stackable design: consisting of 3 modules of 7 kWh each IP66 rating: suitable for indoor and outdoor use Whisper quiet (<29 dB) and easy to maintain 15 year performance warranty Easy installation with floor stand (included) Optional: Wall mounting bracket (HUA-LUNA2000-WMB-S1) �� Included components 3x LUNA2000-7-E1 Battery modules 1x LUNA2000-10KW-C1 Power Module 1x HV Cable Set (red & black, 3 meters) Floor stand included ⚙️ Technical specifications Battery technology: Lithium iron phosphate (LiFePO₄) Total usable energy: 20,7 kWh Max. charge/discharge capacity: 10,5 kW Dimensions (W x D x H): 590 x 255 x 1230 mm Weight216 kg Degree of protection: IP66 Operating temperature: -20°C to 55°C Cooling: Natural convection Relative humidity: 5% ~ 95% Max. installation height: 4.000 meters Noise level: <29 dB Communication: RS485 / CAN Display: SOC indicator and LED lighting Voltage type: DC Compatible with Huawei SUN2000 inverters ��️ Smart energy management at a large level The LUNA2000 series uses Huawei's innovative “Module ” architecture. This ensures efficient operation, safe performance at all levels (cell, electronics and structure) and optimal balance between modules, even when expanded up to 82,8 kWh. ✅ Request your installation quote now Do you want to expand your energy storage or become completely independent from the grid? �� Request a quote now without obligation installation quote on for the Huawei LUNA2000 S1 21kWh Home Battery and discover your savings potential!